1. Land-use in the Andes :ecology and agriculture in the Mantaro Valley of Peru with special reference to potatoes

المؤلف:

المکتبة: كتابخانه مركزي كشاورزى (طهران)

موضوع: $ALand use, Rural$BPeru Mantaro River Valley,$AAgriculture$BPeru Mantaro River Valley -- Economic aspects,$AAgricultural ecology$BPeru Mantaro River Valley,$APeasantry$BPeru Mantaro River Valley,$APotato industry$BPeru Mantaro River Valley

رده :
HD
559
.
M36M38
1980