Indah Monica, Nurhamidah, elvinawati. PENGEMBANGAN E-LKPD BERBASIS PROBLEM BASED LEARNING PADA MATERI HUKUM-HUKUM DASAR KIMIA. Alo [Internet]. 2023 Jun. 27 [cited 2024 May 11];7(1):33-4. Available from: https://ejournal.unib.ac.id/alotropjurnal/article/view/28231