na YOGYA-02090000018601 20141215092709.0 ind 0010-020900000018601 338.7 338.7 Soe B SOEYANTO, T Berwiraswasta : Intensifikasi pertanian T. Soeyanto Cet. 1 Jakarta Yudhistira 1981 128 hlm. ilus. 21 cm. Wiraswasta YOPDYOG P000018288