Arsarin, W., and A. Pienkhuntod. “Improvement in Accessibility to Professional Development Welfare of Persons with Disabilities by Social Network: A Case Study of the Association of the Blind and Persons with Disabilities, Roi-Et Province”. Research and Development Journal, Loei Rajabhat University, vol. 17, no. 59, Feb. 2022, pp. 93-99, https://so05.tci-thaijo.org/index.php/researchjournal-lru/article/view/251140.