text Yogyakarta BPFE 1992 xvi, 222 p. : ill ; 21 cm EKONOMI SUMBERDAYA AIR 628.11 628.11 INLIS000000000000313 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)