Angulo, Joselito B. Ethics: a heuristic approach/ Dr. Joselito B. Angulo, Dr. Ely S. Alpe, Jr., Dr. Willie A. Buņag - Manila : Mindshapers CO., Inc., c2019. - viii, 156 pages Includes bibliographical references. ISBN: 9786214062348 Dewey Class. No.: 170