Purba, M.Z.W. and Naldo, J. 2024. History and Contributions of Hadharatul Islamiyah Islamic Boarding School in Community Development in Sipispis District Serdang Bedagai Regency, 2009-2023. Yupa: Historical Studies Journal. 8, 1 (Feb. 2024), 62-70. DOI:https://doi.org/10.30872/yupa.v8i1.3176.