Kajian kinerja usaha pelayanan jasa alat dan mesin pertanian (upja):kontribusi dalam strategi pengembangan alat dan mesin pertanian (studi kasus upja di dij)
The objective of this study was to predict profit level of UPJA. It was also to discover technical and non-technical factors and understand a social-economical effect of the UPJA toward increasing farmer income and use of agricultural machinery and equipment in the D1J Province. The result was expec...
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[Yogyakarta] : Universitas Gadjah Mada
2001
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