the science of food an introfuction to food science nutrition and microbiology third edition
p.m.gaman and k.b.sherrington1990 年出版269 页ISBN:0080361560
ECONOMETRIC ANALYSIS OF CROSS SECTION AND PANEL DATA SECOND EDITION
JEFFREY M.WOOLDRIDGE2010 年出版1064 页ISBN:9780262232586
The second edition of this acclaimed graduate text provides a unified treatment of the analysis of two kinds of data structures used in contemporary econometric research: cross section data ...