na YOGYA-02090000029637 20090227024348.0 ind 979-455-026-4 010-020900000029637 630.7 630.7 Sur M T SURIATNA, Sumardi Metode penyuluhan pertanian Sumardi Sukiatna Ed. 1, cet. 1 Jakarta Medyatama Sarana Perkasa 1988 vii, 74 hlm ilus 21 cm Bibliografi : hlm. 73-74 Pertanian - Penyuluhan YOPDYOG(B) 2 P000033029 P000033207