Whittemore, Claire
Oxfam Public Affairs Unit, 1981
Buku Teks
Mabuchi, Touichi
Buku Teks
University of Hawaii, 1974
Buku Teks
Butterworth-Heinemann, 2015
eBooks
Widjojo Nitisastro, author
Jakarta Institute for Economic and social Research, Faculty of Economics, University of Indonesia 196.,
Buku Teks