World and regional supply and demand balances for nitroge, phosphate, and potash, 1989/90 - 1995/96 / The World Bank / FAO / UNIDO
| निगमित लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Washington
World Bank
c1991.
|
| श्रृंखला: | World Bank technical paper
144 |
| विषय: |