Wahyuningtyas, D.A., Rohmanurmeta, F.M. and Widyastuti, S. 2023. IMPROVING THE CRITICAL THINKING ABILITY SCIENCE THROUGH PROBLEM-BASED LEARNING MODEL ASSISTED STUDENT WORKSHEET ETHNOSCIENCE. Jurnal PTK dan Pendidikan. 9, 1 (Jun. 2023), 27–36. DOI:https://doi.org/10.18592/ptk.v9i1.9002.