Sajjapanroj, S., P. Longpradit, and K. Polanunt. “A Prototype of Google Dialog Flow for School Teachers’ Uses in Conducting Classroom Research”. Asian Journal of Distance Education, Vol. 15, no. 2, Nov. 2020, pp. 133-46, http://asianjde.com/ojs/index.php/AsianJDE/article/view/499.