NAZIRIN. The Effect of Cooperative Learning Model of Type Jigsaw and Learning Motivation towards Student’s Conceptual Understanding of PPKn. Jurnal Ilmu Sosial, [S. l.], v. 1, n. 1, p. 1-14, 2020. DOI: 10.3211/jis.v1i1.2. Disponível em: https://ojs32.pesonaweb.com/index.php/jis/article/view/2. Acesso em: 28 oct. 2021.