TY  - BOOK
AU  - Hammond,Michael
AU  - Wellington,Jerry
TI  - Research Methods: the key concepts 
SN  - 9780415599832 
AV  - H62 HAM 
PY  - 2013///
CY  - New York
PB  - Routledge
KW  - Social sciences
KW  - Research Methodology
N1  - Includes Glossary and indexes
UR  - https://books.google.com.pk/books?id=6cDCcXKf9WMC&printsec=frontcover&dq=Research+Methods:+The+Key+Concepts+:+Michael+Hammond+...&hl=en&sa=X&ved=0ahUKEwiq6bOG-cHLAhWFIpoKHfUuAboQ6AEIGTAA#v=onepage&q=Research%20Methods%3A%20The%20Key%20Concepts%20%3A%20Michael%20Hammond%20...&f=false
ER  -