PRIMARY CLASS CONTENT OF MATERIALS ON IMPROVING THE STUDENTS’ ECOLOGICAL CONCEPTS BASED ON THE INTEGRATION OF THE SCIENCES. World Bulletin of Social Sciences, [S. l.], v. 27, p. 90–95, 2023. Disponível em: https://scholarexpress.net/index.php/wbss/article/view/3298. Acesso em: 31 mar. 2026.