Paputungan F, Darwis M, Rifai AA. Meningkatkan Hasil Belajar melalui Model Problem Based Learning pada Siswa Kelas XI OTKP SMK Negeri 1 Lolak Kab. Bolaang Mongondow Sulawesi Utara. JP3 [Internet]. 2022Jan.1 [cited 2025Jun.21];4(1):78-6. Available from: https://ejournal-jp3.com/index.php/Pendidikan/article/view/128