Alfatini, Yumna, and Tuti Lestari. “THE EFFECT OF THE JIGSAW COOPERATIVE LEARNING MODEL ON LEARNING OUTCOMES IN THE COGNITIVE DOMAIN OF CLASS VIII STUDENTS OF SMPN 1 LUBUK ALUNG”. Universe, vol. 6, no. 1, Dec. 2025, pp. 98-103, doi:10.24036/universe.v6i1.600.