MATUL PUTRI, Nurazizarah; SYAMSURIZAL, Syamsurizal. The Effect of the Problem-Based Learning Model on the Numeracy Skills of Phase E Students Regarding Biogeochemical Cycles. Al-Alam: Islamic Natural Science Education Journal, [S. l.], v. 5, n. 1, p. 402–409, 2026. DOI: 10.33477/al-alam.v5i1.15577. Disponível em: https://jurnal.iainambon.ac.id/index.php/JTI/article/view/15577. Acesso em: 25 jul. 2026.