TY  - BOOK
AU  - Wooldridge, Jeffrey M., 
TI  - Supplement: introductory econometrics : a mordern approach 
SN  - 9788000050447 (paperback)
AV  - HB139  W66
PY  - 2016///
CY  - [place of publication not identified]
PB  - Cengage Learning, 
ER  -