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N.A. Amenaghawon; J.O. Osarumwense; F.A. Aisien; O.K. Olaniyan. PREPARATION AND INVESTIGATION OF THE PHOTOCATALYTIC PROPERTIES OF PERIWINKLE SHELL ASH FOR TARTRAZINE DECOLOURISATION. J. Mech. Eng. Sci. 2014, 7, 1070-1084.