Alfian Abdul Ghaffar and Indrawati 2024. The Assessment of Usability and Service Quality in E-Commerce Using the Integration of Analytical Hierarchy Process (AHP) and Technique for Order Performance by Similarity to Ideal Solution (TOPSIS). Asian Journal of Business and Accounting. 17, 1 (Jun. 2024). DOI:https://doi.org/10.22452/ajba.vol17no1.7.