Hang, Chuon Naron
Cambodian economy: charting the course of a brighter future; a survey of progress, problems and prospects
Institute of South East Asia Studies, 2012
 eBooks
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
Downs, Anthony
Urban problems and prospects
Markham Publishing, 1970
 Buku Teks SO
Prospects : the anual of American cultural studies.
New york, Burt Franklin and company, Inc
 Majalah, Jurnal, Buletin