Artikel Jurnal
Pfeiffer, J. William
University Associates, 1985
Buku Teks
Artikel Jurnal
Pepey Riawati Kurnia
Management Research Center (MRC) Department of Management, Faculty of Economics, University of Indonesia and Philip Kotler Center, 2013
Artikel Jurnal
Fakultas Teknik Universitas Indonesia, 2002
UI - Skripsi (Membership)