Sulhan, Alhaerani Sianti, Insih Wilujeng, and Zuhdan Kun Prasetyo. 2023. “Improving Critical Thinking Skills Students Through Problem Based Learning E-Module”. Jurnal Penelitian Pendidikan IPA 9 (11):9481-86. https://doi.org/10.29303/jppipa.v9i11.5231.