Naqsyahbandi, Fajar, and Anti Kolonial Prodjosantoso. 2023. “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 (3):1480-85. https://doi.org/10.29303/jppipa.v9i3.2186.