Rattana-Umpa N, Tanwatthanakul J, Santiboon TT. Associated indicator factors among inappropriate malfunctions’ development for the 9-month-old-baby. J Adv Pediatr Child Health [Internet]. 2021 Sep. 10 [cited 2025 Dec. 9];4(1):075-83. Available from: https://www.pediatricshealthjournal.com/index.php/japch/article/view/japch-aid1038