Tanjung YT, Siregar SA, Siregar I. PENGEMBANGAN BAHAN AJAR TEMATIK BERBASIS COOPERATIVE LEARNING. CDJ [Internet]. 2024Apr.28 [cited 2024Nov.23];5(2):3907-11. Available from: http://journal.universitaspahlawan.ac.id/index.php/cdj/article/view/27634