Buenaflor, Leonel E.; Masarap, Angelito; Boleche, Clemente; Bustamante, Juvy Unravelling the Absolute Moral Principle: Ethics for Filipino Students - Mandaluyong City Books Atbp. Publishing Corp 2018 - 292p. ISBN: 9786214091058 Dewey Class. No.: 170 B8621