1
by Yunus, Muhammad, 1940-
Published 2003
2
by Monnet, Jean, 1888-
Published 1978
3
by Sobel, Robert, 1931-
Published 1980
4
by Heibroner, Robert L.
Published 1953
5
by Aziz Zariza Ahmad, 1954-
Published 1982
6
Published 1982
7
by Brazelton, W. Robert
Published 2000
8
by Perkins, John, 1945-
Published 2004
9
by Barro, Robert J
Published 2002