Rojas, L. A. (2006). Non-tillage as an agronomical method in basic grain sustainable production.
Chicago-stil citatRojas, Luis A. Non-tillage As an Agronomical Method in Basic Grain Sustainable Production. 2006.
MLA-referensRojas, Luis A. Non-tillage As an Agronomical Method in Basic Grain Sustainable Production. 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.