TY - BOOK AU - Wooldridge ,Jeffrey M. TI - Introductory Econometrics with applications : : A Modern Approach SN - 9788131503225 U1 - 330.015195 PY - 2006/// CY - New Delhi: PB - Cengage Learning, KW - Asymptotics KW - Economics KW - Empirical Project KW - Heteroskedasticity ER -