K. Nasywa Huwaedatun Nafs, A. Permana, and Y. Wikan Astri, “Preaching in Word, Pen, and Deed: The Da’wah of Pemudi Persatuan Islam in Bandung Regency, West Java, 2007–2011”, JKS, vol. 3, no. 2, pp. 75–95, Nov. 2026.