(1)
Wahyuni, S. .; Syamsurizal; Irdawati; Violeta; Fajrina, S. . Implementation of the Problem Based Learning Model to Increase the Activity and Learning Outcomes of Students in the Digestive System Material and the Human Respiratory System Class XI MAN 2 Tanah Datar. jppipa, pendidikan ipa, fisika, biologi, kimia 2023, 9, 9263-9269.