Nurmitasari, Nurmitasari, et al. “Learning Achievements of Muhammadiyah Cadres in Higher Education During Covid 19: Prestasi Belajar Kader Muhammadiyah Lingkup Perguruan Tinggi Di Era Covid 19”. Halaqa: Islamic Education Journal, vol. 5, no. 2, Sept. 2021, pp. 141-52, doi:10.21070/halaqa.v5i2.1529.