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Dyfyniad Arddull ChicagoOtsuka, Keijiro. Modern Rice Technology, Land Reform and Agrarian Contacts: The Case of Central Luzon. Los Baños, Laguna: Agricultural Economics Department, International Rice Research Institute, 1989.
Dyfyniad MLAOtsuka, Keijiro. Modern Rice Technology, Land Reform and Agrarian Contacts: The Case of Central Luzon. Agricultural Economics Department, International Rice Research Institute, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.