1st Winner Islamic Economics Competition 3.0 Intelligent Quiz Division Islamic Economics Competition 3.0 Intelligent Quiz Division, " Optimization of the Halal Value Chain towards Indonesia as the Center of Global Halal Industry" in University of Darussalam Gontor Selamat Untuk mahasiswa : Elok Aprilia Imroatus SolihaSholikundin AlawyMar'atus Sholikah Program Studi : Ekonomi Islam