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. Jurnal Edukasi dan Pembelajaran STEM. 2025;1(1):21-30. doi:10.65244/jep.v1i1.180