Ulandari, Lavenia, and Edy Surya. “Improving Learning Outcomes of Linear Program With Quantum Teaching Model at Grade X Students SMK-BM PAB 3 Medan Estate”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 33, no. 3 (May 31, 2017): 120–129. Accessed May 5, 2024. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7478.