- Đ. Hajder, C. Sufaru, D. Dobreci, M. Sava, L. Toskić, B. Bjelica, N. Aksovic, S. Bubanj, T. Dobrescu, M. Marković, R. Arsenijević , G. Lupu, T. Gašić, "A Systematic Review and Meta-Analysis of Virtual and Traditional Physical Activity Programs: Effects on Physical, Health, and Cognitive Outcomes", Multidisciplinary Digital Publishing Institute, Vol. 13, No. 7, pp. 711, ISSN 2227-9032, DOI https://doi.org/10.3390/healthcare13070711, URL https://www.mdpi.com/2227-9032/13/7/711, 2025
- Đ. Hajder, "Nutrition And Lifestyle Habits", International Journal of Academic and Applied Research (IJAAR), Vol. 7, pp. 95-101, ISSN 2643-9603, 2023
- Đ. Hajder, B. Bjelica, N. Aksovic, T. Dobrescu, S. Bubanj, "COMPARATIVE ANALYSIS OF THE EFFECTS OF TRAINING WITH ADDITIONAL LOAD ON MOTOR FITNESS AND MORPHOLOGICAL CHARACTERISTICS OF MARTIAL SPORTS ATHLETES", PHYSICAL EDUCATION AND SPORT THROUGH THE CENTURIES, Vol. 12, No. 2, pp. 123-141, ISSN 2335-0598, URL https://phedss.fsfv-pr.rs/index.php/phedss/article/view/51/37, 2025
- B. Bjelica, Đ. Hajder, T. Perović, R. Pržulj, N. Aksović, S. Bubanj, S. Dragosavljević, "Use of AI Technology Training on Motor Parameters: Systematic review", Sportske nauke i zdravlje, Panevropski Univerzitet, Apeiron, Banja Luka, Vol. 15, No. 1, pp. 119-127, ISSN 2232-8211, DOI 10.7251/SSH2501119B, URL https://www.siz-au.com/, 2025
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- Đ. Hajder, B. Bjelica, N. Aksovic, "Differences in the morphological profile and performance of motor tests in relation to martial sports", 11h INTERNATIONAL SCIENTIFIC CONFERENCE“ANTHROPOLOGICAL AND TEO-ANTHROPOLOGICAL VIEWS ONPHYSICAL ACTIVITY” , pp. 82-89, ISBN 978-86-82329-89-3, URL https://atavpa.fsfv-pr.rs/doc/abstract_book/2024/abstract_book_2024.pdf, 2024
- Đ. Hajder, T. Perović, "RAZLIKE U IZVOĐENJU MOTORIČKIH TESTOVA U ODNOSU NA STEPENUHRANJENOSTI", 10th INTERNATIONAL SCIENTIFIC CONFERENCE“ANTHROPOLOGICAL AND TEO-ANTHROPOLOGICAL VIEWS ONPHYSICAL ACTIVITY”, pp. 118-123, ISBN 978-86-82374-07-7, URL https://atavpa.fsfv-pr.rs/doc/book_of_proceedings/book_of_proceedings_2023.pdf., 2023
- S. Lalić, Đ. Hajder, T. Bošnjaković, "SPECIFICITIES OF ACCOUNTING BUDGET PLANNING IN THE CONTEXT OF EFFECTIVE MANAGEMENT OF DECISION-MAKING IN SPORTS", Belecon business economy law education conference, pp. 345-353, ISBN 978-86-7169-634-0, URL https://plus.cobiss.net/cobiss/si/en/bib/182489091, 2023
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