Altares, Priscilla S. <br/><br/>
Elementary statistics:   a modern approach/ 
Priscilla S. Altares, Antonio Roland I. Copo, Yonardo A. Baguyo, Angeline T. Laddaran, Leila D.P. Mejia, Immaculata A. Policarpio, Evangeline Agueda G. Sy, Helen D. Tizon and Ana Maria S.D. Yao 
 - First Edition ; 
 - Manila:  Rex Books Store,  c2003. 
 - xi, 271 pages :  illustrations ;  25 cm.