Ritonga, E. M., Surya, E. and Syahputra, E. (2017) “Development of Learning Devices Oriented Model Eliciting Activities to Improve Mathematical Problem Solving Ability Junior High School Students”, International Journal of Sciences: Basic and Applied Research (IJSBAR), 33(3), pp. 42–52. Available at: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7336 (Accessed: 4 May 2024).