Sudaryati, Sudaryati, Margareta Rahayuningsih, and Sri Ngabekti. “Classification Learning Effectiveness of Living With Contextual Teaching and Learning (CTL) and Cooperative Learning (CL) Type Group Investigation (GI)”. Journal of Innovative Science Education 8, no. 1 (April 8, 2019): 23 - 29. Accessed December 21, 2024. https://journal.unnes.ac.id/sju/jise/article/view/23873.