TY  - BOOK
AU  - Walliman, Nicholas
TI  - Research Methods : The Basics
SN  - 978-0-367-69408-1
AV  - 001.42 R2 
U1  - 001.42 R2 3rd
PY  - 2022///
CY  - London and New York 
PB  - Routledge Taylor and Francis Group 
KW  - Research Method,Operations Research
ER  -