Masfufa, N. F. ., and M. Amrullah. “Muhammadiyah Non-Formal Education During the Covid 19 Pandemic: Pendidikan Non Formal Muhammadiyah Selama Pandemi Covid 19”. Proceedings of The ICECRS, vol. 10, Aug. 2021, pp. 39-41, doi:10.21070/icecrs20211052.