na INLIS000000000002993 0010-0121001359 The Impect of Mechanization an Production and Employment in Rice Areas of West Java Al Sri Bagyo (s l.) (s n.) 1981 xii, 71 p. : ill. ; 28 cm 631.3 631.3 CROPPING PATTERN FARM INCOME NUSA TENGGARA TIMUR PENDAPATAN PETANI PETANI-PENDAPATAN. 4171 4171