Sparta, Kelle
American Management Association, 2006
eBooks
Edwards, Kenneth W.
American Management Association, 2007
eBooks
Irwin, Robert
McGraw-Hill , 1981
Buku Teks
Your successful real estate career
American Management Association (Amacom) , 1997
Buku Teks
Raka Gumilang Raksamala Basmara Putra
Fakultas Teknik Universitas Indonesia, 2017
UI - Tesis (Membership)