Widodo, A., A. Prayogi Dwina, M. Syazali, and U. Umar. “The Urgency of Using Digital-Based Student Learning Activity Instruments to Measure Student Engagement in Distance Learning”. Jurnal Mantik, vol. 6, no. 3, Dec. 2022, pp. 3812-8, doi:10.35335/mantik.v6i3.3229.