Thiamtham, Thattharit. “Development of Parallel Tests for Numerical Ability for Student Teacher in Public University”. International Journal of Psychosocial Rehabilitation 24, no. 8 (October 31, 2020): 5767–5776. Accessed June 21, 2026. https://www.psychosocial.com/index.php/ijpr/article/view/11260.