LAW-OGBOMO, K. E., and P. A. EKUNWE. “Economic Yield and Profitability of Maize/Melon Intercrop As Influenced by Inorganic Fertilizer Application in Humid Forest Ultisol”. Notulae Scientia Biologicae, vol. 3, no. 4, Nov. 2011, pp. 66-70, doi:10.15835/nsb346309.