Ochulorugo, M., Ehiem, J. and Simonyan, K. 2015. DRYING CHARACTERISTICS, COLOUR AND PHYTOCHEMICAL CONSTITUENTS OF BRYOPHYLLUM PINNATUM LEAVE: A FUNCTION OF PRETREATMENT AND DRYING METHODS. LAUTECH Journal of Engineering and Technology. 9, 2 (Feb. 2015), 50-59.