Hasibuan, Pendi. “Zakat for The Economy of the Ummah (Case Study in Sihapas Barumun Palas Sub-District, North Sumatra)”. Al-Hurriyah: Jurnal Hukum Islam 8, no. 2 (December 31, 2023): 161–175. Accessed December 15, 2025. https://ejournal.uinbukittinggi.ac.id/index.php/alhurriyah/article/view/6250.