“Kriteria Kelayakan Pos Observasi Bulan (POB) Rukyah Al-Hilal: Studi Kasus Gunung Sekekep Pulung Ponorogo”. Jurnal Antologi Hukum, vol. 1, no. 1, Nov. 2021, pp. 92-108, https://doi.org/10.21154/antologihukum.v1i1.248.