Marjuki, Marjuki. “Effectiveness of OCCIE Learning Model to Improve Science Process Skills of Senior High School Students”. JPPS (Jurnal Penelitian Pendidikan Sains) 11, no. 2 (May 29, 2022): 99–112. Accessed April 27, 2024. https://journal.unesa.ac.id/index.php/jpps/article/view/17255.