Beloev, I. Research of using the system approach to increase professional competence of students in the process of studying natural sciences. София: 2024 22-36,.
Beloev, I. Research of using the system approach to increase professional competence of students in the process of studying natural sciences. София: 2024 22-36,.
Beloev, I. (2024) Research of using the system approach to increase professional competence of students in the process of studying natural sciences, София: 22-36,.
Beloev, I. (2024). Research of using the system approach to increase professional competence of students in the process of studying natural sciences. София: 22-36.
Beloev I. Research of using the system approach to increase professional competence of students in the process of studying natural sciences. София: 2024. p. 22-36.