N.M. Nawi, G. Chen, and T. Jensen, “PREDICTION OF SUGARCANE QUALITY FROM JUICE SAMPLES USING PORTABLE SPECTROSCOPY”, J. Mech. Eng. Sci., vol. 7, no. 1, pp. 1219–1226, Dec. 2014, doi: 10.15282/jmes.7.2014.21.0119.