Kirom, M. Zaidul, Unggul Suryo Ardi, and Zahratul Fitria. 2024. “Analysis Of Hilal Image Processing Method At Lembaga Falakiyah Nahdlatul Ulama Ponorogo”. KULMINASI: Journal of Falak and Sharia 2 (2):86-100. https://doi.org/10.22373/kulminasi.v2i2.6046.