Democracy and the environment: problems and prospects
edited by William M. Lafferty and James Meadowcroft
Edward Elgar, 1996
 Buku Teks
A Geography of Europe : problems and prospects
edited by George W. Hoffman ; contributors, Christopher Shane Davies ... [and others]
Wiley, 1983
 Buku Teks SO
Chacko, George K
Technological forecontrol prospects, problems and policy
North-Holland , 1975
 Buku Teks SO
Public personnel administration : problems and prospects
edited by Steven W. Hays, Richard C. Kearney
Prentice-Hall, 1990
 Buku Teks
Twenty-first century: prospects and problems
edited by Kee Hyong Kim
Kyung Hee University Press, 1980
 Buku Teks SO