Umali, Vannessa D. Introduction to ethics/ Vannessa D. Umali, Jeremias F. Buraga, Michael M. Mesinas, Mariel A. Dela Trinidad, Joliver L. Lobo - Mandaluyong City : Books Atbp. Publishing Corp., c2023. - viii, 192 pages ISBN: 9786214091935 Dewey Class. No.: 170