Usman UA, Dantama YU, Abubakar M, Koko MA. The effect of Sub Saharan African import Weighted Tariff policy on Foreign Direct Investment. LJE [Internet]. 2020 Jun. 30 [cited 2024 Jul. 3];4(1):122-33. Available from: https://ojs.ibbujournals.com.ng/index.php/lje/article/view/68