Danaya Leaficha Maweru, Aaltje S. Pangemanan and 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), pp. 195–205. doi: 10.59581/konstanta.v1i3.1198.