Radojković I, Gajić B, The Development of Voluntary Pension Funds in Serbia, LAMBERT Academic Publishing, 2019.
Bonić D,Stanković A,Krstić I, Radojković I, Veličković A, Veličković D. Preschool children's nutrition assssment-normatives risks and safety, Progress in nutrition 2018;20(3):387-394 DOI:10.23751/pn.v20i3.6729
Radojković I, Milosavljević P, Janaćković G, Grozdanović M. The key risk indicators of road traffic crashes in Serbia, Niš region, International Journal of Injury Control and Safety Promotion 2019; 26(1):45-51 https:/doi.org/10.1080/174573001476384
Vuk Vujović, Nebojša Denić, Vesna Stevanović, Mališa Stevanović, Jelena Stojanović, Yan Cao, Yasir Alhammadi, Kittisak Jermsittiparsert, Hiep Van Le, Karzan Wail, Ivan Rdaojković, Project planning and risk management as a success facor for IT projects in agricultural schools in Serbia, Techology in Society, 2020; htps://doi.org/10.1016/j.techsoc.2020.101371
Todorović O, Radojković I. Značaj i potencijalne šanse životnih osiguranja, Ekonomske teme 2005;45(5): 221-227
Radojković I, Nikolić M, Kocić B. The importance of knowing the health consequences of climate changes for the insurance, Facta Universitatis, Series: Working and Living Environmental protection 2016; 13(1):27-34
Ivan Radojković, Branislav Ranđelović, Ivana ilić, Modeling develompent of voluntary pension fund using mathematical model of approximation with langrange interpolation polynomials, Economic Themes, p.243-257, 2021. DOI 10.2478/ethemes-2021-0014, http://www.economic-themes.com/59/lbroj/2/chlanak/5
Gajić B, Radojković I, Đurić Z. Analiza ponude osiguravača motornih vozila na tržištu Republike Srbije komparacijom uslova osiguranja, Tokovi osiguranja 2018; 4: 35-57.
Gajić B, Radojković I. Metodologija procene štete u osiguranju biljne proizvodnje, Tokovi osiguranja 2019; 2: 27-49.
Boban Gajić, dr Ivan Radojković, dr Aleksandar Kostić, Maja Aleksandrović Gajić, Načela prihvata rizika i tehničke osnove osiguranja poljoprivrednih kultura, Tokovi osiguranja, Beograd 2021 / Broj 3: 92-108, http://tokoviosiguranja.edu.rs/publications/nacela-prihvata-rizika-i-tehnicke-osnove-osiguranja-poljoprivrednih-kultura
Radojković I,Nikolić M.Pojam rizika sa aspekta osiguranja, Pojam rizika sa aspekta osiguranja, Revija rada 2003; 307: 61-64.
Radojković I. Metodološki okvir za upravljanje rizikom putem osiguranja, Svet rada 2012; 9 (1): 80-87.
Gajić B, Radojković I, Razvoj i vođenje prodavaca u prodaji osiguranja, Ekonomija teorija i praksa, 2019; IV: 82-100
Branislav Randjelović, Ivan Radojković, Boban Gajić, One Application of Discrete Mean Square Approximation For Prediction of Voluntary Pension Fund Develepment, Applied Matehematics and Computer Science 5 (1) 2020. PP 7-15, http://journal.pmf.ni.ac.rs/amcs/index.php/AMCS/article/view/15/15
Ivan Radojković, Branislav Randjelović, A New Risk Management Model for Auto Insurance in Serbia, Journal of Mechatronics, Automation and Identification Technology Vol. 6, No 1, p. 5-88, 2021., http://jmait.org/volume-6-issue-1-2021/
Nikolić M, Grozdanović M, Radojković I. Problemi u praćenju i kontroli rizika po zdravlje kod korisnika javnih objekata, Savetovanje sa medjunarodnim učešćem, Preventivni inžinjering i osiguranje javnih objekata, Beograd, 52-55, 1999.
Grozdanović M, Radojković I. Okvir za kvantifikaciju ljudske pouzdanosti, Savetovanje sa medjunarodnim učešćem, Dunav preving, Beograd, 66-71, 2001.
Radojković I, Grozdanović M. Metodologija za ocenu ljudske pouzdanosti u okviru ocene rizika, Dunav preving, Beograd, 99-104, 2001.
Grozdanović M, Radojković I. Analiza aktivnih i latentnih ljudskih grešaka, Dunav preving, Beograd, 98-102, 2002.
Radojković I, Grozdanović M. Klasifikacija i identifikacija ljudskih grešaka, Dunav preving, 103-108, 2002.
Cvetković Z, Radojković I. Ugovor o osiguranju u funkciji povoljnog poslovnog ambijenta i sigurnosti, Zbornik radova sa okruglog stola Menadzment u saobraćaju, javnim uslugama, pravo i bezbednost, Niš,17-25, 2013.
Radojković I, Milosavljević P.Upravljanje rizikom u auto osiguranju na teritoriji grada Niša, Tematski Zbornik radova Obrazovanje, pravo i bezbednost u funkciji razvoja društva, Naučna konferencija sa međunarodnim učešćem, Niš, 379-383, 2016.
Radojković I, Grozdanović M. Using Human error assessment and reduction techniqe – HEART in industrial engineering, 3rd International Symposium of Industrial engineering, Faculty of Mechanical engineering, University of Belgrade, Industrial engineering department, SIE 2001, 142-144, 2001.
Radojković I, Milosavljević P. Mеthodological framework for risk management in automobile insurance on the territory of the town of Nis, XXII International SAUM Conference on Systems, Automatic Control and Measurements, Nis, 370-371, 2014.
Radojković I, Gajić B,The development of voluntary pension funds in Serbia, , 49th International Scientific Conference Quantitative and qualitative analysis in economics, University of Niš, Faculty of Economics, 121-126, 2018.
Branislav M. Randjelović, Ivan D. Radojković, Elizabeta M. Karailić, Danijela P. Djukić, Managment in educational institutions in Serbia – standard approach, old habbits and new challenges, 9th Interational OFEL conference of governance management and Enterpreneurships, p. 40, 2021.
T. Djordjevic, Dejan N. Milic, I. D. Radojkovic,Performance of free-space optical systems in the presence of receiver imperfections, Goran International Scientific Conference of Communications, Information, Electronic and Energy Systems (CIEES 2020), 26th-29th November 2020, Borovets, Bulgaria, In IOP Conference Series: Materials Science and Engineering, vol. 1032, no. 1, p. 012002. IOP Publishing, 2021. Online ISSN: 1757-899X, DOI: 10.1088/1757-899X/1032/1/012002