9. A handbook of organic farming

Author:

Library: (Semnan)

Subject: ، Organic farming

Classification :
S
605
.
5
.
S33

13. Biological husbandry:a scientific approach to organic farming

Library: Central Library of Shahrekord University (Chaharmahal va Bakhtiari)

Subject: Organic farming-Congresses

Classification :
{
1648
},
400ee7d7751e9706b1a8b453c30dfc59

15. Encyclopedia of organic farming

Author:

Library: (Semnan)

Subject: ، Organic farming

Classification :
S
605
.
5
.
D208
2008