Helms-Mills, Jean
Understanding organizational change
Routledge, 2009
 Buku Teks
Crabbe, Ernest H.
General business for economic understanding
South-Western Publishing, 1961
 Buku Teks
The Institution of Chemical Engineers
Understanding process integration
Australia: ICE, 1982
 Buku Teks
Rosen, George
Democracy and economic change in India
University California Press, 1966
 Buku Teks
Cypher, James M.
The process of economic development
Routledge, 1997
 Buku Teks