Danaya Leaficha Maweru, Aaltje S. Pangemanan, & Anekke Pesik. (2023). Cooperative Model Type Group Investigation; An Implementation On Mathematics Learning Straight Line Equation Material. Konstanta : Jurnal Matematika Dan Ilmu Pengetahuan Alam, 1(3), 195–205. https://doi.org/10.59581/konstanta.v1i3.1198