P. S. Teng

P. S. Teng

Applications of Systems Approaches at the Farm and Regional Levels

System Approaches for Sustainable Agricultural Development, nr. 5

Editat de P. S. Teng et al.

31 ian 1997

Preț: 1270^.66 lei 1549^.59 lei

6-8 săpt.

-18%

Applications of Systems Approaches at the Field Level

System Approaches for Sustainable Agricultural Development, nr. 6

Editat de M. J. Kropff et al.

31 ian 1997

Preț: 1270^.66 lei 1549^.59 lei

6-8 săpt.

-18%