Ochulorugo, M., J. C Ehiem, and K. J. Simonyan. 2015. “ COLOUR AND PHYTOCHEMICAL CONSTITUENTS OF BRYOPHYLLUM PINNATUM LEAVE: A FUNCTION OF PRETREATMENT AND DRYING METHODS”. LAUTECH Journal of Engineering and Technology 9 (2):50-59. https://laujet.com/index.php/laujet/article/view/80.