H. . Wakano, K. Tamaela, U. . Namakule, K. . Selehulano, and P. . Sopratu, “Penerapan Model Pembelajaran Problem Based Learning Untuk Meningkatkan Penguasaan Konsep Materi Ruang Lingkup Biologi Di SMA Negeri 51 Maluku Tengah: (Application of Problem Based Learning Model to Improve Mastery of Biology Scope Material Concept in SMA Negeri 51 Maluku Tengah)”, Biodik , vol. 6, no. 4, pp. 468-475, Dec. 2020.