Kim, Jae-Wook, and . . “A Study on Smart App Contents for the Management of Little Baseball Team With Real-Time Broadcasting and Record Keeping”. International Journal of Engineering & Technology 8, no. 1.4 (January 2, 2019): 625–629. Accessed April 29, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/26319.