An Exploratory Study on a Relationship between Changes in Cultivated Area of Major Crops and Farm Income by regions1 - From Comparative Analysis to Optimal Portfolio Analysis -
Keyword(s):
Keyword(s):
2012 ◽
Vol 76
(0)
◽
pp. 1AMB09-1AMB09
2019 ◽
Vol 20
(5)
◽
pp. 805-821
◽
2019 ◽
Vol 25
(1)
◽
pp. 1-14
Keyword(s):
2014 ◽
Vol 8
(3)
◽
pp. 165
◽
Keyword(s):