Handayani, Febria Sri, Dini Hari Pertiwi, and Yesi Sriyeni. “Implementasi System Usability Scale Untuk Pengujian Usabilitas Chronum Calculator”. Jurnal Ilmiah Informatika Global 12, no. 1 (July 23, 2021). Accessed May 2, 2024. https://ejournal.uigm.ac.id/index.php/IG/article/view/1893.