MATIĆ, Vladimir. TEACHING AND LEARNING OF ECOLOGY FOR THE STUDENTS OF VOCATIONAL SECONDARY SCHOOLS IN MULTIMEDIA ENVIRONMENT. International Journal of Cognitive Research in Science, Engineering and Education (IJCRSEE), [S. l.], v. 1, n. 2, p. 21–32, 2013. Disponível em: https://www.ijcrsee.com/index.php/ijcrsee/article/view/6. Acesso em: 18 apr. 2026.