S. Kaewon and K. Kaewon, “LEARNING RESULTS WITH M-LEARNING LESSONS ON PORTABLE DEVICES IN LANGUAGE AND COMMUNICATION FOR TEACHERS SUBJECT TO IMPROVE LEARNING ACHIEVEMENT OF SECOND - YEAR STUDENTS IN PHYSICAL EDUCATION, THAILAND NATIONAL SPORTS UNIVERSITY LAMPANG CAMPUS”, J.TNSU, vol. 17, no. 1, pp. 290–304, Jan. 2025.