Sartika, Ira, Ivan Eldes Dafrita, and Nawawi Nawawi. “Pengembangan E-Modul Berbasis Problem Based Learning (PBL) Terhadap Kemampuan Berpikir Kritis Siswa Pada Materi Sistem Pencernaan Manusia Kelas XI SMAN 1 Samalantan: (Development of E-Modules Based on Problem Based Learning (PBL) Towards Students’ Critical Thinking Skills on the Material of the Human Digestive System Class XI SMAN 1 Samalantan)”. BIODIK 10, no. 3 (September 5, 2024): 311-320. Accessed November 13, 2024. https://online-journal.unja.ac.id/biodik/article/view/30448.