RUSMINI, Rusmini; SURYA, Edy. The Effect of Contextual Learning Approach to Mathematical Connection Ability and Student Self-Confidence Grade Viii Smp Negeri 8 Medan. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 35, n. 2, p. 249–262, 2017. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7933. Acesso em: 12 oct. 2025.