Wahyuningtyas, D. A., F. M. Rohmanurmeta, and S. Widyastuti. “IMPROVING THE CRITICAL THINKING ABILITY SCIENCE THROUGH PROBLEM-BASED LEARNING MODEL ASSISTED STUDENT WORKSHEET ETHNOSCIENCE”. Jurnal PTK Dan Pendidikan, vol. 9, no. 1, June 2023, pp. 27-36, doi:10.18592/ptk.v9i1.9002.