na YOGYA-02090000029645 20090227024349.0 ind 979-672-698-x 010-020900000029645 630 630 Joy A T JOYOSUWITO, Sudiyono Azolla Pertanian organik dan multiguna Soedijono Djojosuwito cet. 4 Yogyakarta Kanisius 2004 60 hlm ilus 21 cm Bibliografi : 59-60 Pupuk Organik YOPDYOG(B) 3 01P0002627 01P0002628 01P0002629