na INLIS000000000007986 20210426120241 210426||||||||| | ||| |||| || | /3227 010-0421007986 id 631 1 631 1 FOO f FOOD AND AGRICULTURE ORGANIZATION ( FAO ) Farm management manual : For the use of agricultural extension workers in Asia and the far east Bangkok ( FAO ) 1965 IX, 131p.: ills.; 30 cm Penyuluhan Pertanian -- pertanian -- manajemen -- usahatani -- I. Judul