na INLIS000000000002541 ind 0010-1224000073 Ekofarming Bertani Selaras Alam Joachim Metzner Metzner, Joachim Jakarta : Yayasan Obor Indonesia, 1987 448 hlm. 15x21 cm 630 MET E C.1 630 Usaha Tani, Pertanian, Teknologi Pertanian 900111300004689