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2
-
Irrigated wheat : managing your crop / by Howard M. Rawson and Helena Gómez Macpherson.
- Food and agriculture organization of the United nations (FAO),
- 2000.
- Rome :
-
Triticale improvement and production / ed. Mohamed Mergoum and Helena Gómez-Macpherson.
- Food and agriculture organization of the United nations (FAO),
- 2004.
- Rome :