Hadi Siswanto, D. and Andriyani, A. 2024. ANALYSIS OF THE NEED FOR FLIP WORKSHEETS MATRIX PBL MODELS TO STIMULATE CRITICAL THINKING ABILITIES. Pelita : Jurnal Penelitian dan Karya Ilmiah. 24, 1 (Jun. 2024), 91–99. DOI:https://doi.org/10.33592/pelita.v24i1.4781.