F. A. . Che Arif, . M. R. . Hilmi, K. Mohd Kamal, and . M. H. . Ithnin, “THE EFFECTS OF DIFFERENT PHYSICAL PROPERTIES OF ARTIFICIAL TEARS ON SUBJECTIVE OCULAR SENSATION”, Inter. J. All. Heal. Sci., vol. 5, no. 3, p. 2248, Jun. 2021.