共 28 条
[1]
Akgungor S., 2007, 105 EAAE SEM INT MAR
[2]
CIA World Fact book, 2012, TRIN TOB PROF EC
[3]
CAPITAL RETURNS FROM SOIL-CONSERVATION PRACTICES
[J].
JOURNAL OF FARM ECONOMICS,
1947, 29 (04)
:1181-1202
[4]
DESVOUSGES WH, 1993, CONTRIB TO ECON ANAL, V220, P91
[5]
ECLAC, 2010, ESC WORLD FOOD PRIC
[7]
FAOSTAT, 2012, AGR STAT
[8]
Gujarati D.N., 2003, BASIC ECONOMETRICS, V4th ed.