1.
Risvayani R, Permanasari A, Musthafa I. Preliminary research: Identification of Difficulty in Chemical Learning Based On Teacher and Student Perspectives . jisae [Internet]. 2023 Nov. 5 [cited 2024 Dec. 26];9(2):171-9. Available from: https://journal.unj.ac.id/unj/index.php/jisae/article/view/39931