Kasim, E. W., & Muhajir, M. (2022). Pengaruh Pelaksanaan Model Problem Based Instruction (PBI) terhadap Antusias Belajar Siswa di SDI Lakiyung Kecamatan Somba Opu Kabupaten Gowa. Al-Alam: Islamic Natural Science Education Journal, 1(1), 10–25. https://doi.org/10.33477/al-alam.v1i1.2550