GURUNG, R. K.; CHAUDHARY, D. K. Effectiveness of Instruction with Manipulative Materials on Fourth Graders’ Geometry Learning Achievement. Journal of Bhuwanishankar, [S. l.], v. 1, n. 1, p. 69–84, 2022. DOI: 10.3126/jobs.v1i1.49495. Disponível em: https://nepjol.info/index.php/jobs/article/view/49495. Acesso em: 7 may. 2024.