Rakhmetova M. DEVELOPMENT OF STUDENTS ENVIRONMENTAL KNOWLEDGE BASED ON THE INTEGRATION OF PHYSICS AND BIOLOGY LESSONS . Scientific Journal of Pedagogy and Economics [Интернет]. 31 август 2022 г. [цитируется по 18 декабрь 2025 г.];(4):141-55. доступно на: http://89.250.84.46/bulletin-science/article/view/4357