Setiawan, Dimas, and Suluh Langgeng Wicaksono. “Evaluasi Usability Google Classroom Menggunakan System Usability Scale”. Walisongo Journal of Information Technology 2, no. 1 (June 17, 2020): 71–78. Accessed June 24, 2026. https://journal.walisongo.ac.id/index.php/jit/article/view/5792.