فهرست مقالات Hamza Adam مقاله 1 - Determinants of Adoption of Improved Maize Varieties in Zabzugu-Tatale Districts in the Northern Region of Ghana: A Case Study of Obaatanpa Variety Wahab Ibn Hassan Hamza Adam Osman Damba Tahidu International Journal of Agricultural Science Research& Technology , شماره 5 , سال 8 , پاییز 2018 مقاله 2 - Factors Influencing Rural Livelihood Diversification Activities among Women in Northern Region of Ghana Hamza Adam Henny Osbahr International Journal of Agricultural Science Research& Technology , شماره 4 , سال 9 , تابستان 2019 مقاله 3 - Effects of Adoption of Improved Maize Technology on Yield among Smallholder Maize Farmers in the Bawku West District of Upper East Region of Ghana John Akumbole Hamza Adam Hudu Zakaria International Journal of Agricultural Science Research& Technology , شماره 1 , سال 9 , زمستان 2019