N.A. Amenaghawon, J.O. Osarumwense, F.A. Aisien, & O.K. Olaniyan. (2014). PREPARATION AND INVESTIGATION OF THE PHOTOCATALYTIC PROPERTIES OF PERIWINKLE SHELL ASH FOR TARTRAZINE DECOLOURISATION. Journal of Mechanical Engineering and Sciences, 7(1), 1070–1084. https://doi.org/10.15282/jmes.7.2014.6.0104