Asnawi, H. S., A. Setiawan, and I. Iwannudin. “The Existence and Constraint of Marriage Registration for the Followers of Sapta Darma Belief in East Lampung”. Asy-Syir’ah: Jurnal Ilmu Syari’ah Dan Hukum, vol. 55, no. 2, Aug. 2021, pp. 291-13, doi:10.14421/ajish.v55i2.955.