Nyle C Brady. (1971). Symposium on cropping systems research and development for the Asian rice farmer. Manila: IRRI.
Dyfyniad Arddull ChicagoNyle C Brady. Symposium On Cropping Systems Research and Development for the Asian Rice Farmer. Manila: IRRI, 1971.
Dyfyniad MLANyle C Brady. Symposium On Cropping Systems Research and Development for the Asian Rice Farmer. Manila: IRRI, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.