Bhanthumnavina, Duangduen, Duchduen Bhanthumnavinb, and Bung-On Sorodc. “Construction of Attitude Towards Punctuality Scale for University Students and Relationships to CSE and FTP”. International Journal of Engineering and Technology 7, no. 4.38 (December 3, 2018): 1319–1322. Accessed August 16, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/27814.