Budi Nurwahyu, Georgina Maria Tinungki (2020) “Concept Image and its Influence on Beliefs: Case Study on Undergraduate Engineering Students in Solving of Calculus Concept Problems”, International Journal of Advanced Science and Technology, 29(05), pp. 2227 - 2243. Available at: http://sersc.org/journals/index.php/IJAST/article/view/10990 (Accessed: 3May2024).