List of Articles Idowu Oladele Article 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 And Technology In Extension And Education Systems , Issue 2 , Year , Spring 2022