DR. RAVINDRA L. AMBEKAR. Challenges in the Implementation of Constructivist Teaching-Learning Practices at the Secondary School Level. International Journal of Engineering Science & Humanities, [S. l.], v. 9, n. 3, p. 96–106, 2019. Disponível em: https://www.ijesh.com/j/article/view/978. Acesso em: 8 jul. 2026.