Ali, M. Nasihudin. “The Ramadan Punggahan Tradition in North Sumatra: Investigating the Javanese Nuanced Practicalities in Langkat Regency”. Walisongo: Jurnal Penelitian Sosial Keagamaan, vol. 31, no. 2, Nov. 2023, pp. 193-14, doi:10.21580/ws.31.2.18321.