Sergius Lay, Evimawati Harefa, Rikardo Gulo. Upaya Meningkatkan Prestasi Belajar Siswa Melalui Penerapan Model Pembelajaran PBL Di SMAS Xaverius Gunungsitoli. SEMNASPA [Internet]. 2023 Aug. 29 [cited 2024 May 21];4(1):433-41. Available from: https://badanpenerbit.org/index.php/SEMNASPA/article/view/386