1.
Gaol EGL, Silaban R, Sudrajat A, Sitorus M, Nst Z. Analysis of the Need to Develop Innovative Teaching Materials Based on Problem-Based Learning (PBL) Integrated with the Local Wisdom of Marpangir Batak Toba on the Topic of Electrolyte and Non-Electrolyte Solutions. Panthera j. ilm. pendidik. Sains dan terap. [Internet]. 2026 Oct. 30 [cited 2026 Nov. 11];6(4):2602-11. Available from: https://www.e-journal.lp3kamandanu.com/index.php/panthera/article/view/1678