Ahmad, Ibrahim, Nazreen Abdullasim, and Norhaida Mohd Suaib. “Usability Testing on Game Interface Design Using Video-Based Behavior Analysis”. International Journal of Engineering & Technology 7, no. 2.15 (April 6, 2018): 142–145. Accessed May 4, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/11372.