Yimchang, Anongnart, Suchanard Chaiwanna, and Wudhijaya Philuek. “A Study on Early Childhood Teachers and Pre-Service Teachers’ Belief, Confidence, and Using Technology in Teaching Mathematics for Early Childhood Students”. International Journal of Integrated Education and Development 3, no. 1 (July 26, 2018): 35–42. Accessed May 18, 2024. https://so02.tci-thaijo.org/index.php/ijied/article/view/127737.