Rofiuddin, A. A., and A. Izzuddin. “OPTIMIST AND PESSIMIST MOON-SIGHTING: THE STUDY OF ISLAMIC CALENDAR DETERMINATION IN INDONESIA”. Muẚṣarah: Jurnal Kajian Islam Kontemporer, vol. 4, no. 2, Dec. 2022, pp. 119-27, doi:10.18592/msr.v4i2.7543.