Dòng Nội dung
1
Basic econometrics / Damodar N. Gujarati, Dawn C. Porter.
Boston : McGraw-Hill Irwin, 2009
xx, 922 p ; 30 cm.
2
Basic econometrics / Damodar N. Gujarati, Dawn C. Porter.
[USA] : McGraw-Hill/Irwin, 2017
from chapter 12,p.441 ; 28 cm.