AZIZAH YUSRA AMALIYAH; SYAHRINA ANISA PULUNGAN; FILZAH SYAURAH DHABITAH. Developing a Connected Mathematics Project-Based Mathematics Textbook to Improve Elementary School Students’ Conceptual Understanding and Self-Confidence. Journal of Practice Learning and Educational Development , [S. l.], v. 5, n. 4, p. 1206–1216, 2025. DOI: 10.58737/jpled.v5i4.879. Disponível em: https://digitalpress.gaes-edu.com/index.php/jpled/article/view/879. Acesso em: 26 apr. 2026.