OBENG, F., S. GUMAH, and S. Mintah. “Farmers’ Perceptions of Information and Communication Technology (ICT) Use in Extension Service Delivery in Northern Region, Ghana”. Ghana Journal of Science, Technology and Development, Vol. 6, no. 1, May 2019, pp. 21-29, http://gjstd.org/index.php/GJSTD/article/view/126.