SANTI, S.; IRVIANA, I. .; MURSIDIN, M. . Effectiveness Of Project Based Learning Model (Pjbl) Based On Higher Order Thinking Skill (Hots) On Problem Solving Ability Of Grade V Students In UPT SPF SD. ALENA : Journal of Elementary Education, [S. l.], v. 3, n. 1, p. 94–107, 2025. DOI: 10.59638/jee.v3i1.296. Disponível em: https://jurnal-fkip-uim.ac.id/index.php/alena/article/view/296. Acesso em: 17 apr. 2026.