WIYANTININGSIH; JANNAH, Siti Nur. Implementation of the Problem Based Learning Model to Improve Understanding of Dhuha, Tahajud, and Friday Prayer Material in Elementary School Students. Research Journal on Teacher Professional Development, [S. l.], v. 3, n. 02, p. 50–65, 2025. DOI: 10.21580/rjtpd.v3i02.24924. Disponível em: https://journal.walisongo.ac.id/index.php/rjtpd/article/view/24924. Acesso em: 16 jul. 2026.