Sujayanti, Elies Fifit, Satrianansyah Satrianansyah, Harma Oktafia Lingga Wijaya, and Elmayati Elmayati. “Analisis Tingkat Kualitas Website Terhadap E-Commerce Shopee Dengan Menggunakan Metode Importance Perfomance Analysis (IPA)”. BISMA Cendekia 4, no. 1 (September 30, 2023): 30–39. Accessed October 25, 2025. https://ojs.politeknikcendana.ac.id/index.php/bisma/article/view/61.