Naksaranyuyottana, Phongvarin, Thareerat Raktrakulwitthaya, Phatthanakan Klongkidpanich, Phanchita Phuwasinsawad, Chutiralai Ketru, Supasin Jeak-in, and Pichit Boonkrong. 2021. “Inter-instrument agreement of anterior corneal curvature measurements: Topographer, auto kerato-refractometer and manual keratometer”. Journal of Current Science and Technology 11 (1):127-36. https://ph04.tci-thaijo.org/index.php/JCST/article/view/364.