na INLIS000000000002446 20210426113051 210426||||||||| | ||| |||| || The Agricultural Development cou 010-0421002446 0 "," Indonesia" Desa struktur p pembangunan pertanian creating a progressive rural structure= to serve a modern agriculture,Text" /595 307.63\" 1969 ix,172p; ills;20cm"" " A.T Mosher" \";;;;;rnConditioning dan proses belajar instrumen