na INLIS000000000018867 20210426130653 210426||||||||| | ||| |||| || | /2820 010-0421018867 id 63 001 8 (910) 63 001 8 (910) MAR a k3 MARTAATMIDJAJA, A. Soedradjat Agricultural extension system in indonesia Jakarta. Agency For Aqricultural Education, Training and Extension, Ministry of Agricciture Indonesia 1994 11p.: ills.; 21 cm Penyuluhan Pertanian -- I.Judul -- sistem