فهرست مقالات Daniel Ekpa مقاله 1 - The Estimation Model of Determinant of Mobile Phone Apps’ Usage by Smallholder Farmers in North West Nigeria 20.1001.1.22517588.2022.12.2.3.4 Abdullahi Khidir Idowu Oladele Daniel Ekpa International Journal of Agricultural Science Research& Technology , شماره 2 , سال 12 , بهار 2022
