Rungruangthum, Montarat, Nopamat Hongsacha, and Thipwimol Wangkaewhiran. 2022. “An Analysis of Students’ Attitudes by Using Word Frequency and Word Cloud Visualization”. ECT Journal (Education and Communication Technology Journal) 17 (22):63-77. https://so01.tci-thaijo.org/index.php/ectstou/article/view/253365.