Rojas, L. A. (2006). Non-tillage as an agronomical method in basic grain sustainable production.
シカゴスタイル引用形Rojas, Luis A. Non-tillage As an Agronomical Method in Basic Grain Sustainable Production. 2006.
MLA引用形式Rojas, Luis A. Non-tillage As an Agronomical Method in Basic Grain Sustainable Production. 2006.
警告: この引用は必ずしも正確ではありません.