Riyanto WF. Reinterpreting the Islamic Sufi Calendar: The Science of Letters in the Hijri Calendar between Ṭarīqah Qādiriyah and Ṭarīqah Qādiriyah Naqshbandiyah. AFKAR [Internet]. 2025 Jun. 30 [cited 2025 Jul. 1];27(1):91-140. Available from: https://ijps.um.edu.my/index.php/afkar/article/view/56407