na INLIS000000000001871 20250626013609 0010-0625000057 ta 250626 0 eng 0-89158-699-7 338.1 338.1 RIC s Richard R. Harwood Small Farm Development : understanding and improving farming systems in the humid tropics / Richard R. Harwood United States Of America : Westview Press, 1979 xiv, 160 hlm. : ill. ; 23 cm Pertanian Agrikultur 45/BRMPUAT/2025