Purnomo, I. M. B. A. “Relevansi Ajaran Kepemimpinan Asta Brata Pada Masa Pandemi Covid-19”. Kamaya: Jurnal Ilmu Agama, vol. 4, no. 2, May 2021, pp. 205-20, https://jayapanguspress.penerbit.org/index.php/kamaya/article/view/1283.