K. Zheng Yan and N. Senan, “A Hello Vaccines: Development of An Android Mobile Game Application on Covid-19 Vaccination Awareness”, aitcs, vol. 3, no. 2, pp. 705–723, Nov. 2022, Accessed: Jul. 21, 2024. [Online]. Available: https://penerbit.uthm.edu.my/periodicals/index.php/aitcs/article/view/7615