Thitiporn Lertrusdachakul และ Kanakarn Ruxpaitoon;Kasem Thiptarajan. (2022) Color Combination Pairs of Achromatic Color for the Elderly. <i>Journal of Information Science and Technology</i>, <i>12</i>(2), 42-53.Thitiporn Lertrusdachakul และ Kanakarn Ruxpaitoon;Kasem Thiptarajan. "Color Combination Pairs of Achromatic Color for the Elderly". Journal of Information Science and Technology 12 (2022):42-53.Thitiporn Lertrusdachakul และ Kanakarn Ruxpaitoon;Kasem Thiptarajan. Color Combination Pairs of Achromatic Color for the Elderly. The Association of Council of IT Deans (CITT):ม.ป.ท. 2022.