Ulfita Sari, Salim Salim, Safran Hasibuan. Pengaruh Model Pembelajaran Problem Based Learning terhadap Kemampuan Berpikir Ilmiah Peserta Didik . Nakula [Internet]. 2024 Oct. 31 [cited 2025 Jan. 11];2(6):294-305. Available from: https://journal.aripi.or.id/index.php/Nakula/article/view/1342