00678nam a2200205Ia 4500 CTU_17539 210402s9999 xx 000 0 und d 631.3 C187 Joseph K Campbell Dibble sticks, donkeys, and diesels Machine in crop production Joseph K Campbell, IRRI Manila, Philippines IRRI 1990 The book provides the readers with information needed to weigh the advantages and disadvantages of specific of machines agricultural machinery Minh, 970729 Trung tâm Học liệu Trường Đại học Cần Thơ