Widiatmo, Tomi, A Wahab Jufri, and Jamaluddin Jamaluddin. “Analysis of Validation of Instruments to Measure Student’s Critical Thinking Ability and Science Literation”. Jurnal Penelitian Pendidikan IPA 5, no. 2 (July 13, 2019): 212–218. Accessed November 23, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/272.