Rattana-Umpa, Narida, Jirawon Tanwatthanakul, and Toansakul Tony Santiboon. “Associated Indicator Factors Among Inappropriate malfunctions’ Development for the 9-Month-Old-Baby”. Journal of Advanced Pediatrics and Child Health 4, no. 1 (September 10, 2021): 075–083. Accessed December 9, 2025. https://www.pediatricshealthjournal.com/index.php/japch/article/view/japch-aid1038.