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Effects of power-tiller use on farm income in the sage plain area, sage preffecture, Japan

Effects of power-tiller use on farm income in the sage plain area, sage preffecture, Japan

بواسطة Umeki, Toshimi
منشور في 1990

Thư viện lưu trữ: Trung tâm Học liệu Trường Đại học Cần Thơ