REGINA VALENTINE AYDALINA, MARDIN AHMAD, and MUHAMMAD ANANG. “COLOR BLIND DETECTION AT STUDENTS GORONTALO STATE UNIVERSITY”. JournalNX - A Multidisciplinary Peer Reviewed Journal, vol. 7, no. 02, Feb. 2021, pp. 288-91, https://repo.journalnx.com/index.php/nx/article/view/2508.