Rahmawati, C., & Saptia Kurnia, J. (2022). AAnalysis of the Impact of the Covid 19 Pandemic on Distance Learning at Universitas Dirgantara Marsekal Suryadarma. Jurnal Mantik, 5(4), 2400-2409. Retrieved from http://www.iocscience.org/ejournal/index.php/mantik/article/view/1986