1. Barko, V. I., Kyriienko, L. A., & Barko, V. V. (2017). Professional Psychological Selection for Police Service with the use of an Adapted Individual and Typological Questionnaire. Law and Safety, 3(66), 125–132.
2. Ostapovych, V. P., Barko, V. I., & Barko, V. V. (2022). The use of adapted foreign psychodiagnostic methods in the National Police of Ukraine (V. O. Kryvolapchuk, Ed.). Liudmyla.
3. Kryvolapchuk, V. O., Syzonenko, A. S., Ostapovych, V. P., & Barko, V. I. (2020). Methods of psychological diagnosis of individual psychological characteristics of employees of the National Police of Ukraine. SRI MIA of Ukraine.
4. Ostapovych, V. P., Dubova, V. I., Barko, V. I. et al. (2018). Professional profiles for the main types of police activity (V. O. Kryvolapchuk, Ed.). SRI MIA of Ukraine.
5. Ostapovich, V., Barko, V., Okhrimenko, I., Yevdokimova, O., Ponomarenko, Ya., Prontenko, K., Antonova, O., Sydorchuk, N., Sokolovskyi, O., & Bloshchynskyi, I. (2020). Psychological profile of successful criminal Police Officer. International Journal of Applied Exercise Physiology, 9(3), 120–133.