Syaifullah, Syaifullah, et al. “Optimizing the Synergy of the Three Education Centers in Controlling the Quality of Learning During the Covid-19 Pandemic”. Tadbir : Jurnal Studi Manajemen Pendidikan, vol. 7, no. 2, June 2023, pp. 293-06, doi:10.29240/jsmp.v7i2.7003.