Batubara RH, Utary Evy Cahyani. The Contribution of ZIS (Zakat, Infaq, & Sadaqah) to Poverty Alleviation in North Sumatra Province. IEM [Internet]. 2024 Sep. 18 [cited 2025 Oct. 26];3(1). Available from: http://journals.smartinsight.id/index.php/IEM/article/view/530