Handayani D, Alperi M, Uliyandari M. The Implementation of STEM-Based Lipid E-Book on Student Learning Outcomes. J. Educ. Chem. [Internet]. 2022 Jun. 21 [cited 2025 Jul. 1];4(1):1-8. Available from: https://journal.walisongo.ac.id/index.php/jec/article/view/9715