00556nam a2200205Ia 4500 CTU_15462 210402s9999 xx 000 0 und d 27.50df 630 F218/N.18 F Gariboldi FAO argicultural services bulletin; N.18 Methods and equipment,Rice testing F Gariboldi,FAO Rome FAO 1973 rice Nguyễn Quang Điền, 970407 Trung tâm Học liệu Trường Đại học Cần Thơ