IRRI. Symposium on cropping systems research and development for the Asian rice farmer. Manila: IRRI.
Dyfyniad Arddull ChicagoIRRI. Symposium On Cropping Systems Research and Development for the Asian Rice Farmer. Manila: IRRI.
Dyfyniad MLAIRRI. Symposium On Cropping Systems Research and Development for the Asian Rice Farmer. Manila: IRRI.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.