21. Science for agriculture
پدیدآورنده : W.E.Huffman and R.E. Evenson
کتابخانه: Central Library and Information Center of Shahed University (Tehran)
موضوع : Agriculture- Research- United States,Agriculture- Research- Economic aspects- United States
رده :
S
،
541
،.
H84
،
2006
22. The Advance of agriculture, forest economy and agricultural sciences in Bulgaria during the years of the People's Power 1944-1969
پدیدآورنده :
کتابخانه: Library of Faculty of Social Sciences of Tehran University (Tehran)
موضوع : Agriculture- Economic aspects- Bulgari,Forests and forestry- Economic aspects- Bulgari,Agriculture- Research- Bulgari
رده :
HD
2042
.
A64
1969
