[1]
W. F. Riyanto, “Reinterpreting the Islamic Sufi Calendar: The Science of Letters in the Hijri Calendar between Ṭarīqah Qādiriyah and Ṭarīqah Qādiriyah Naqshbandiyah”, AFKAR, vol. 27, no. 1, pp. 91–140, Jun. 2025.