THE STUDY OF IMPLEMENTATION OF ZAKAT AT JOINT OPERATION ENTITY (BADAN OPERASI BERSAMA) PT. BUMI SIAK PUSAKO- PERTAMINA HULU SIAK REGENCY OF RIAU PROVINCE. penamas [Internet]. 24 November 2017 [dikutip 20 Februari 2026];30(2):183-94. Tersedia pada: https://penamas.kemenag.go.id/penamas/article/view/124