Puyangdee, M., S. . Sriputtarin, and J. . Kheawnamchum. “Current Situations, Desirable Situations and Guidelines for Developing Digital Technology the School of Nakhon Phanom Primary Educational Service Area Office 1”. Rajapark Journal, vol. 15, no. 40, May 2021, pp. 249-63, https://so05.tci-thaijo.org/index.php/RJPJ/article/view/250031.