Saputro, Pujo Hari. “Pengujian Usability Website E-Commerce OLX Menggunakan System Usability Scale (SUS)”. Jurnal Sistem Informasi dan Teknologi Informasi 1, no. 3 (January 31, 2023): 78–84. Accessed October 27, 2025. https://journal-siti.org/index.php/siti/article/view/221.