Praktiko Riyono Riyono Pratikto text Bandung Alumni 1979 ind 112 p. ; 21 cm COMUNICATION ECONOMIC 381.7 220516 20220516130136.0 INLIS000000000000500 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)