Siska ND, Lufri L. THE EFFECT OF THE APLICATION OF THE COOPERATIVE LEARNING MODEL TYPE THE POWER OF TWO ON THE SCIENCE COMPETENCE OF CLASS VII JUNIOR HIGH SCHOOL STUDENTS. universe [Internet]. 2022 Jul. 31 [cited 2026 Jun. 9];3(1):46-50. Available from: http://universe.ppj.unp.ac.id/index.php/universe/article/view/158