FARADIKA, Regina; ZULYUSRI, Zulyusri. Needs Analysis for the Development of an Electronic Student Worksheet (E-LKM) Based on Problem-Based Learning Integrated with Sustainable Development Goal (SDG) 15 for the Ecosystem Topic (Phase E). Al-Alam: Islamic Natural Science Education Journal, [S. l.], v. 5, n. 1, p. 449–458, 2026. DOI: 10.33477/al-alam.v5i1.15313. Disponível em: https://jurnal.iainambon.ac.id/index.php/JTI/article/view/15313. Acesso em: 25 jul. 2026.