共 72 条
[42]
*ISSER, 2006, STAT GHAN EC 2005
[44]
Factors Limiting Small-Scale Farmers' Access and Use of Tractors for Agricultural Mechanization in Abuja, North Central Zone, Nigeria
[J].
EUROPEAN JOURNAL OF SUSTAINABLE DEVELOPMENT,
2014, 3 (01)
:115-124
[46]
Kuwornu J. K. M., 2012, Journal of Development and Agricultural Economics, V4, P78
[49]
McNamara P., 2014, MODERNIZING EXTENSIO
[50]
Mehta CR, 2014, AMA-AGR MECH ASIA AF, V45, P43