Mohammad Samsul Arifin. Investasi Bisnis Porang di Perum Perhutani KPH Bondowoso Perspektif Hukum Ekonomi Syari’ah. istidlal [Internet]. 2021 Apr. 11 [cited 2026 Feb. 17];5(1):35-46. Available from: https://ojs.pps-ibrahimy.ac.id/index.php/istidlal/article/view/305