Yudha, Ana Toni Roby Candra and Pauzi, Nasif Sidquee and Azli, Rafidah binti Mohd (2020) The synergy modelfor strengthening the productivity ofIndonesian halal industry. Al-Uqud: Journal of Islamic Economics, 4 (2). pp. 186-199. ISSN 2548-3544; 2549-0850