Berutu J. Perbandingan Hasil Belajar Siswa dengan Model Projec Based Learning dan Problem Based Learning Berbantuan Media Chemsketch pada Materi Ikatan Kimia. Japendi [Internet]. 2022 Jul. 29 [cited 2025 Dec. 31];3(07):617-2. Available from: http://www.japendi.publikasiindonesia.id.solusipublish.com/index.php/japendi/article/view/1027