R. . Lertkhongkhathip, P. . Rittichai, P. . Youjamnong, S. . Thongsukkaew, and V. . Noihuahad, “Development of training courses to develop online teaching abilities and enhance skills in using online media For teachers in Uttaradit Province”, edunsruj, vol. 7, no. 2, pp. 281–292, Aug. 2024.