Meechamnan, Sutheekarn, Supattra Pranee, Bundit Pungnirund, Tanapol kortana, and Chompoo Saisama. 2026. “Teachership, Parental Support, Test Stress, Students’ Self-Efficacy, and Self-Regulation Affecting Self-Directed Learning Achievement among Students at Rajamangala University of Technology Phra Nakhon”. Journal of Innovation and Management 11 (1):110-25. https://so03.tci-thaijo.org/index.php/journalcim/article/view/295330.