Faaland, Just
Dacca C. Hurst and University Press, 1976
Buku Teks
Muhammad Ariel Insani
2017
UI - Skripsi (Membership)
M. Nurul Haq
Bangladesh Academy for Rural Development, 1973
Buku Teks
Busch, H. Ted
Macmillan, 1980
Buku Teks
Natelson, Morris
Fairchild Publications, 1962
Buku Teks