Sivilai, W., C. Semakhun, and B. Samruayruen. “The Development Model of Electronic Resource Center According to OTMM”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University, vol. 12, no. 1, Aug. 2017, pp. 129-44, https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/87593.