Muchammad Zaidun, author
United Nations Development Programme (UNDP), 2009
Buku Teks
Muchammad Zaidun, author
UNDP, [ tt ]
Buku Referensi
Elden, Stuart, author
University of Minnesota Press, 2009
Buku Teks
Hawtrey, R.G.
Longmas Green and Co. , 1952
Buku Teks
Farley, Lawrence T., author
Westview Press, 1986
Buku Teks