Handika Putra R, Asrial A, Marzal J. Pengembangan Rencana Pelaksanaan Pembelajaran Model Problem Based Learning Daring untuk Meningkatkan Motivasi Belajar Siswa Materi Perubahan Lingkungan: (Development of Online Problem Based Learning Implementation Plans to Increase Student Motivation on Environmental Change Materials). Biodik [Internet]. 2021Mar.16 [cited 2024Jul.23];7(01):84-9. Available from: https://online-journal.unja.ac.id/biodik/article/view/11775