RIZKINTA, Elga Novira; SURYA, Edy. Effect of Granting Reward on Learning Outcomes of Mathematics in Class iv of Public Primary School 014680 of Buntu Pane. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 34, n. 1, p. 101–110, 2017. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/7559. Acesso em: 18 sep. 2025.