Alfian Abdul Ghaffar, Indrawati. 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). AJBA [Internet]. 2024 Jun. 30 [cited 2026 Feb. 27];17(1). Available from: https://ajba.um.edu.my/index.php/AJBA/article/view/53036