Chakkid Khunkitti และผู้แต่งคนอื่นๆ. (2021) Effects of occipito-frontal release with dorsiflexion technique (OFRDF) for improvement of superficial back line flexibility. <i>Journal of Associated Medical Sciences</i>, <i>54</i>(1), 26-34.Chakkid Khunkitti และผู้แต่งคนอื่นๆ. "Effects of occipito-frontal release with dorsiflexion technique (OFRDF) for improvement of superficial back line flexibility". Journal of Associated Medical Sciences 54 (2021):26-34.Chakkid Khunkitti และผู้แต่งคนอื่นๆ. Effects of occipito-frontal release with dorsiflexion technique (OFRDF) for improvement of superficial back line flexibility. Faculty of Associated Medical Sciences, Chiang Mai University:ม.ป.ท. 2021.