Sinaga, Dearlina, et al. “Persepsi Mahasiswa Tentang Kualitas Belajar Melalui Perkuliahan Daring Versus Tatap Muka Pasca Pandemic COVID -19”. Innovative: Journal Of Social Science Research, vol. 3, no. 4, Sept. 2023, pp. 5224-38, http://j-innovative.org/index.php/Innovative/article/view/4119.