Naqsyahbandi, Fajar, and Anti Kolonial Prodjosantoso. “Instrumental Analysis of Student Perceptions of Chemistry Learning With the STEM Approach at the End of the Covid-19 Pandemic Using Second Order Confirmatory Factor Analysis ”. Jurnal Penelitian Pendidikan IPA 9, no. 3 (March 31, 2023): 1480–1485. Accessed May 17, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/2186.