Riyono Pratikto text Bandung Alumni 1979 cet 1 ind 112 p. ; 21 cm ; 21cm COMUNICATION ECONOMIC 381.7 381.7 PRA k 381.7 250219 20250219090904 INLIS000000000000500 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)