SALEH, Ahmad; AHDA, Yuni; FITRIA, Yanti. Improving Science Learning Activities and Outcomes by Using Problem Based Learning Model at Elementary School. Jurnal Basicedu, [S. l.], v. 4, n. 4, p. 1388–1397, 2020. DOI: 10.31004/basicedu.v4i4.578. Disponível em: https://jbasic.org/index.php/basicedu/article/view/578. Acesso em: 22 jul. 2024.