Ramachandran, P. Issues in Social Work Research in India, Bombay, Tata Institute of Social Sciences, 1990.
Society for Participatory Research in Asia, Participatory Research: An Introduction (Participatory Research Network series No. 3), New Delhi PRIA, 1995.
Wright, Susan E. 1986 Social Science Statistics. Boston: Allyn & Bacon Inc.
Loether, H.J. & McTavish, Donald. 1974 Inferential Statistics for Sociologists.
Boston: Allyn & Bacon Inc.
Kurtz, Norman R. 1983 Introduction to Social Statistics. Paris: McGraw-Hill Book Co.
Elifson et al. 1990 Fundamentals of Social Statistics. McGraw Hill Publishing Co.
Levin, Jack .1983 Elementary Statistics in Social Research. New York: Harper & Row Publishers
Cohen, Louis & Holliday, Michael. 1982 Statistics for Social Scientists. New York: Harper & Row Publishers
Malec, Michael, A. 1977 Essential Statistics for Social Research. New York: J.B.Lippincott Co.
Ahuja. Ram. 2006, Research Methods, Rawat Publications.