World and regional supply and demand balances for nitrogen, phosphate and potash 1992-93 to 1998-99
World Bank.
World and regional supply and demand balances for nitrogen, phosphate and potash 1992-93 to 1998-99 - Washington DC World Bank 1994
Accounting
World and regional supply and demand balances for nitrogen, phosphate and potash 1992-93 to 1998-99 - Washington DC World Bank 1994
Accounting