共 21 条
[11]
Kim K, 2003, AGR ECON, V29, P125, DOI 10.1111/j.1574-0862.2003.tb00152.x
[12]
KOUNDOURI P, 2004, ENDOGENOUS TECHNOLOG
[14]
LEATHERS HD, 1992, AM J AGR ECON, V68, P519
[15]
DISTANCE TO INFORMATION SOURCE AND THE TIME-LAG TO EARLY ADOPTION OF TRACE-ELEMENT FERTILIZERS
[J].
AUSTRALIAN JOURNAL OF AGRICULTURAL ECONOMICS,
1982, 26 (02)
:98-113
[16]
LINDNER RK, 1987, ACIAR P, V19, P144