Como Sacar Desnivel De Un Terreno / How to Measure the Slope of a Field: Instructivo Para Extensionistas En Conservacion de Suelus y Aquas., Instructions for Extensionists on Soil and Water Conservation
Maelezo ya Uchapishaji
- Mchapishaji: Csiro Publishing.
- Dewey Decimal: 631.58
- Maktaba ya ECHO: 631.58 UNK SPANISH