Armita Ningsih AN, Andini DS, Nur Aisyah Pulungan NAP, Ramadhani S, Rohani R. Penerapan PBL (Problem Based Learning) Untuk Meningkatkan Hasil Belajar Siswa Pada Materi Sistem Pernapasan Di SMAN Imelda Medan: (Application Of The PBL (Problem Based Learning) To Improve Student Learning Outcomes On The Respiratory System Material At Imelda Private High School Medan). Biodik [Internet]. 2023Aug.23 [cited 2024Jul.2];9(2):1-4. Available from: https://online-journal.unja.ac.id/biodik/article/view/19717