Sison, Perfecto S. Personnel and human resource management/ Perfecto S. Sison - 5th ed. - Manila: Rex Book Store, ©1981. - xii, 578 pages; 26 cm. Includes index. ISBN: 9-71050392-8 (pbk.) Subjects--Topical Terms: Personnel management. Dewey Class. No.: DFil 658.3 / Si8