Jaiyong, Pechcharat, Phuanjai Rattakorn, and Supaporn Chinchai. “The Development of manual for speech and language treatment for parents of children with cleft palate ages 0-3 years old”. Journal of Associated Medical Sciences 57, no. 1 (November 1, 2023): 60–66. accessed December 10, 2025. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/263523.