Salma, S. and Jarudin, J. 2020. Extraordinary Women: (Harmony of Ibadah and Aqidah in Inventing the Perfection of Ramadan at the Salat Empat Puluh in Sijunjung). ESENSIA: Jurnal Ilmu-Ilmu Ushuluddin. 20, 1 (Jan. 2020), 61–72. DOI:https://doi.org/10.14421/esensia.v20i1.1775.