Nambulee, W., S. Jomnonkwao, S. Siridhara, V. Ratanavaraha, A. Karoonsoontawong, and R. Beeharry. “THE INTERCITY BUS PASSENGER’S LOCUS OF CONTROL WITH REGARD TO SEAT BELT USE INTENTION”. Suranaree Journal of Science and Technology, vol. 25, no. 3, Aug. 2026, pp. 235-46, https://ph04.tci-thaijo.org/index.php/SUJST/article/view/14498.