Borkam, Ratchadaporn, Wanida Donpunha, Punnee Peungsuwan, Raoyrin Chanavirut, Sainatee Pratanaphon, and Pisamai Malila. 2020. “Effects of a Lower Extremity Strength Training Program on Range of Motion in Children With Spastic Cerebral Palsy”. Archives of Allied Health Sciences 32 (3). Khon Kaen, Thailand:39-49. https://he01.tci-thaijo.org/index.php/ams/article/view/213684.