Ramirez, Luzviminda F. Man, values, work ethics / Luzviminda F. Ramirez, Eden Tongson-Beltran. - Bulacan : Trinitias Publishing, c2004. - 149 p. : ill. Includes bibliographical references (pp. 143-145) and index. ISBN: 971-42-0583-2 Dewey Class. No.: Fil 158.7 R284 2004