Mahmudah, Mahmudah. 2007. “Zuhud Dan Etos Kerja Pengamal Tarekat Naqsyabandiyah Khalidiyah: Asceticism and Work Ethic of the Practitioners of the Naqshbandiyah Khalidiyah Order”. Fenomena 6 (2): 227-38. https://doi.org/10.35719/fenomena.v6i2.411.