Elfrida, Elfrida, Nursamsu Nursamsu, Siska Rita Mahyuny, and Binari Manurung. 2023. “Development Project Based Learning Model With Performance Assessment Based Ethnoscience to Improve Students’ Critical Thinking”. Jurnal Penelitian Pendidikan IPA 9 (8):6406-14. https://doi.org/10.29303/jppipa.v9i8.4799.