Dauna, Y., Shehu, J.F., Salihu, A., and Akinrefon, A.A. “ANALYSIS OF PROFITABILTY AND OPERATIONAL PERFORMANCE OF GROUNDNUT MARKETING IN ADAMAWA STATE, NIGERIA”. Nigerian Journal of Agriculture and Agricultural Technology, vol. 5, no. 1B, Apr. 2025, pp. 110-4, https://www.njaat.com.ng/index.php/njaat/article/view/1015.