S. M. Mahful, A. H. Odja, and T. J. Buhungo, “THE EFFECT OF USING GROUP INVESTIGATION MODEL ON STUDENT LEARNING OUTCOMES IN STATIC FLUID MATERIAL AT SMA NEGERI 6 NORTH GORONTALO”, BIOCHEPHY:JSE, vol. 5, no. 1, pp. 282-289, Jun. 2025.