Lertrusdachakul, Thitiporn, Kanakarn Ruxpaitoon, and Kasem Thiptarajan. “Color Combination Pairs of Achromatic Color for the Elderly”. JOURNAL OF INFORMATION SCIENCE AND TECHNOLOGY 12, no. 2 (December 30, 2022): 42–53. Accessed May 25, 2024. https://ph02.tci-thaijo.org/index.php/JIST/article/view/246465.