Watanee Jenchitr and Supaluk Raiyawa. (2012) Refractive errors: the major visual impairment in Thailand. <i>Rangsit Journal of Arts and Sciences</i>, <i>2</i>(2), 133-141.Watanee Jenchitr and Supaluk Raiyawa. "Refractive errors: the major visual impairment in Thailand". Rangsit Journal of Arts and Sciences 2 (2012):133-141.Watanee Jenchitr and Supaluk Raiyawa. Refractive errors: the major visual impairment in Thailand. Rangsit University:ม.ป.ท. 2012.