TY  - BOOK
AU  - Trochim,William M.K.
AU  - Donnelly,James P.
AU  - Arora,Kanika
TI  - Research methods: the essential knowledge base 
SN  - 9781133954774 (paperback)
AV  - Q180.55.M4 T76 
PY  - 2016///]
CY  - Boston, MA
PB  - Cengage Learning
KW  - Research
KW  - Methodology
N1  - Includes bibliographical references and index
ER  -