20941 1498 10 Ian Chandra K. Primary Author mixed material Jakarta Elex Media Komputindo 1993 Paul A. Samuelson Primary Author Wiliam D. Nordhaus Additional Author A.Q. Khalid Translator mixed material Jakarta Erlangga 1992 Margaret m Poloma Primary Author mixed material 9794210870 Jakarta 2003 Communications in Business, 4th. Ed Walter Wells Primary Author mixed material Boston Kent Publishing Company 1985 Robert B. Ekelund, Jr Primary Author Robert D. Tollison Additional Author mixed material 0316231231 Boston Litte, Brown and Company 1985 Ansel M. Sharp Additional Author Richard H. Leftwich Primary Author mixed material 0256031150 Texas business publications 1984 Mudrajad Kuncoro Primary Author mixed material 9789790757219 Jakarta Erlangga 2010 Pendekatan Kuantitatif, Kualitatif, dan R and D Sugiyono Primary Author mixed material 9788433718 Jakarta Alfabeta 2010 Sjahrir Primary Author mixed material Jakarta LP3ES 1986 Ika Rochdjatun Sastrahidayat Primary Author mixed material Malang Avicenna 1981