Hooshyar, D., R. Binti Ahmad, R. G. Raj, M. H. N. Md Nasir, M. Yousef, S.-J. Horng, and J. Rugelj. “A Flowchart-Based Multi-Agent System for Assisting Novice Programmers With Problem Solving Activities”. Malaysian Journal of Computer Science, vol. 28, no. 2, June 2015, pp. 132-51, https://ejournal.um.edu.my/index.php/MJCS/article/view/6859.