Djuuna, I. A. F., Abbott, L. and Russell, C. (2013) “Determination and Prediction of Some Soil Properties using Partial Least Square (PLS) Calibration and Mid-Infra Red (MIR) Spectroscopy Analysis”, JOURNAL OF TROPICAL SOILS, 16(2), pp. 93–98. doi: 10.5400/jts.2011.v16i2.93-98.