On May 4, 2021, Mr.Saharat Laksanasut, a student in the Department of English Received acceptance from peer review peer reviewed international peer review papers to present the "Language Teaching and Learning" research paper entitled "Effects of Gamified Learning Activities on English Learning Motivation of Grade. 9 Students at Demonstration School of Suan Sunandha Rajabhat University" at the 13th International Conference on Humanities and Social Sciences under the topic "Humanities and Social Sciences in Face of Concurrent Disruptions" which will be held during 27 - 28 May 2021 by National Defense University of Malaysia, Mahidol University, Chiang Mai University. The results of the research will be published in the publication of the International Symposium (Proceeding).