Fridawati, Agnes, Wiwiet Herulambang, and Arif Arizal. “Analysis of Sales Information System (case Study: Mr. Token)”. JEECS (Journal of Electrical Engineering and Computer Sciences) 4, no. 2 (December 31, 2019): 695–702. Accessed November 24, 2024. https://ejournal.ubhara.ac.id/jeecs/article/view/113.