Asaad, Abubakar S. Statistics as applied to education and other related fields / Abubakar S. Asaad and Wilham M. Hailaya. - Manila : Rex Book Store, Inc., c2001. - vii, 133p. : 24cm. Includes bibliographical references. ISBN: 971-23-3127-X Dewey Class. No.: GC 519.5 A798 2001