Dewi, C. A., M. Khafid, N. Widiarti, and A. Yuwono. “Systematic Review of Problem Based Learning Student Worksheets for Developing Critical Thinking: Kajian Sistematis Lembar Kerja Peserta Didik Berbasis Problem Based Learning Untuk Pengembangan Berpikir Kritis”. Indonesian Journal of Innovation Studies, vol. 26, no. 4, Oct. 2025, p. 10.21070/ijins.v26i4.1634, doi:10.21070/ijins.v26i4.1634.