na INLIS000000000001260 20230829075759 0010-0823000914 ta 230829 g 0 ind 979-781-541-2 620 620 CHA e Charles B. Fleddermann Etika Enjiniring / Charles B. Fleddermann Ed. 2 Jakarta : Erlangga, 2006 182 hlm Etika Enjiniring 00000003937 00000003934 00000003935 00000003936 00000003938 00000003934 00000003938