Syarifuddin, N., Alimuddin, and S. Ridwan. “Kriteria Fajar Sadiq Perspektif Ilmu Falak”. HISABUNA: Jurnal Ilmu Falak, Vol. 4, no. 2, July 2023, pp. 87-106, doi:10.24252/hisabuna.v4i2.36172.