Naylor, F.D.
John Wiley & Sons Australasia , 1972
Buku Teks
UNESCO, 1966
Buku Teks
Kinanti Desya Febrianti, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2023
UI - Skripsi (Membership)
by Arthur I. Gates [and others]
Macmillan, 1962
Buku Teks
Hoy, Anita Woolfolk, 1947-, author
Allyn and Bacon, 2004
Buku Teks