1. Agricultural energy

کتابخانه: كتابخانه مركزي كشاورزى (طهران)

موضوع : $AAgriculture and energy$BCongresses,$AFood industry and trade$BEnergy conservation -- Congresses,$AFood industry and trade$BEnergy consumption -- Congresses

رده :
S
494
.
5
.
E5A365
1980

2. Energy management and agriculture :proceedings of the First International Summer School in Agriculture held in co-operation with the W.K. Kellogg Foundation

کتابخانه: كتابخانه مركزي كشاورزى (طهران)

موضوع : $AAgriculture and energy$BCongresses

رده :
S
494
.
5
.
E5I57
1981

3. Energy saving by reduced soil tillage: proceedings of a workshop held in Gottingen, Federal Republic of Germany, on 10 and 11 June 1987

کتابخانه: كتابخانه مركزي كشاورزى (طهران)

موضوع : $AAgriculture and energy$BCongresses,$ATillage$BCongresses

رده :
S
494
.
5
.
E5E5
1987