HAQBERDIYEV B. R. GOALS AND OBJECTIVES OF PEDAGOGICAL EXPERIMENTAL WORK. International Engineering Journal For Research & Development, [S. l.], v. 6, n. 3, p. 2, 2021. DOI: 10.17605/OSF.IO/B4A96. Disponível em: https://www.iejrd.com/index.php/iejrd/article/view/1995. Acesso em: 6 may. 2026.