Sholeh, Muhammad, Uniing Lestari Sholeh, and Dina Andayati Sholeh. 2026. “Classification of Customer Opinions on the Quality of Cooperative Minimarket Services Using the Lexicon Approach”. International Journal of Engineering and Computer Science Applications (IJECSA) 5 (1): 23-32. https://doi.org/10.30812/ijecsa.v5i1.6172.