H. . Anggraini, R. D. . Jayati, H. Harmoko, and N. . Hayati, “Analysis of Science Learning Outcomes of Class VIII Students of Air Satan State Junior High School: Impact of Problem Based Learning Models”, jppipa, pendidikan ipa, fisika, biologi, kimia, vol. 8, no. 3, pp. 1055–1060, Jul. 2022.