“THE EFFECT OF PHET-ASSISTED JIGSAW TYPE COOPERATIVE LEARNING MODEL ON STUDENTS’ LEARNING OUTCOMES INPRIVATE HIGH SCHOOL GRADE XI WAVE MATERIALGAJAH MADA MEDAN 2022/2023 Academic Year” (2025) Jurnal Edukasi dan Pembelajaran STEM, 1(1), pp. 21–30. doi:10.65244/jep.v1i1.180.