Khoo Yi Zhe, and Suriawati Suparjoh. “Development of Volleyball Learning Application: Fun Volley by Using Augmented Reality Technology”. Applied Information Technology And Computer Science, vol. 4, no. 2, Nov. 2023, pp. 608-27, https://penerbit.uthm.edu.my/periodicals/index.php/aitcs/article/view/12358.