1.
Robertus Jematu, Yusmanto Yusmanto. Peningkatan Hasil Belajar Materi Ajaran Sosial Gereja Melalui Problem Based Learning di Kelas XI MIPA 2 SMA Negeri 1 Sintang . SEMNASPA [Internet]. 2023 Nov. 19 [cited 2024 Dec. 22];4(2):1717-30. Available from: https://badanpenerbit.org/index.php/SEMNASPA/article/view/1391