Marcial P. Estolano, Florentina D. Monta, Teresita D. Ignacio, Erlinda S. Angeles, and Julieta T. Beringuel Statistics (with Business Emphasis) - First Edition - Grandwater Publication 2003 Includes References ISBN: 971-725-100-2 Dewey Class. No.: Fil. 310 St1 2003