Agiapule, Akpanke, et al. “Effect Of Variety And Planting Date On The Performance Of Groundnut (Arachis Hypogaea L.) In Calabar, The Humid Rainforest Of South Eastern Nigeria”. Journal Of Agriculture, Forestry & Environment , vol. 9, no. 1, Mar. 2026, pp. 177-91, https://jafe.net.ng/index.php/home/article/view/204.