ชมภูราช ประภาพรรณ, et al. , translators. “The Effects of Mathematics Learning Management on Multiplication of Multi-Digit Numbers by Two-Digit Numbers through Game-Based Learning in 99 Math Website of Fourth Grade Students”. The 15th Benjamit National and International Conference, vol. 15, no. 4, May 2025, pp. 257-68, https://benjamit.thonburi-u.ac.th/ojs/bmv15/article/view/126.