“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): 21-30. https://doi.org/10.65244/jep.v1i1.180.