Edem, I. D., P. Okoko, and I. M. Etuk. “Direct Effects of Stubble Burning on Some Edaphic Characteristics of Coastal Plain Sands at Different Heating Intensities”. Review of Environment and Earth Sciences, vol. 1, no. 1, June 2014, pp. 1-10, doi:10.18488/journal.80/2014.1.1/80.1.1.10.