MAGIGI, WAKURU WAKURU MAGIGI, ISAAC KAZUNGU DATA ANALYSIS AND RESEARCH REPORT WRITING: A GUIDE THROUGH ITS MYSTERY AND PERPLEXITY IN HIGHER LEARNING INSTITUTIONS - 2nd ed. - TANZANIA, SAFI PUBLISHERS CO., LTD, 2016. ISBN: 9789987943852 Dewey Class. No.: 001.409 MAG