Quibria, M.G., author
Asian Development Bank, 1987
Buku Teks
Muhammad Ashraf, editor
[, Springer], 2012
eBooks
Heady, Earl O., author
Iowa State University Press, 1969
Buku Teks
Heady, Earl O., author
Prentice-Hall, 1952
Buku Teks
Kripa Shanker, Ravi Shankar, Rahul Sindhwani, editors
Springer Nature, 2019
eBooks