De Guzman, Jens Micah Ethics : principles of ethical behavior in modern society/ Jens Micah De Guzman - Malabon City : Mutya Publishing Inc., c2017. - 270 pages ; 25 cm. ISBN: 978 971 821 726 9 Subjects--Topical Terms: 1. Ethics. Dewey Class. No.: Fil. 174.4 D321e 2017