na YOGYA000000000086290 20140917104221.0 010-081400000086007 YOPDYOG DEP 170 Ber E Bertens, K. Etika K. Bertens Cet. 1 Yogyakarta Kanisius 2013 xi, 247 hlm. ilus. 23cm. Etika YOPDYOG CB-D.11-2013-287