Tim R. New, editor
Insect conservation: past, present and prospects
[, Springer], 2012
 eBooks
Nehrt, Lee Charles
International business research past, present, and future
Bureau of Business Research, Indiana University, 1970
 Buku Teks SO
Jansson, Bruce S.
The reluctant welfare state: American social welfare policies-past, present, and future
Thompson, 2005
 Buku Teks
Reynolds, Paul Davidson
Ethics and social science research
Prentice-Hall, 1982
 Buku Teks SO
Methodology of social science research
edited by Sugata Dasgupta
Impex India, 1967
 Buku Teks SO