HASIBUAN, G. M. H.; AHMAD, S. .; SALMAINI, S. . The Effectiveness of a Project-Based Learning Based Teaching Module on the Area of Squares and Rectangles: A Trial Study in Fourth Grade Elementary Classrooms. TOFEDU: The Future of Education Journal, [S. l.], v. 4, n. 9, p. 5493–5496, 2025. DOI: 10.61445/tofedu.v4i9.1267. Disponível em: https://journal.tofedu.or.id/index.php/journal/article/view/1267. Acesso em: 21 mar. 2026.