na INLIS000000000000317 20250620025117 0010-1020000119 EKOFARMING : Bertani Selaras Alam Jakarta : Karya Unipress, 1987 xiv, 449 p. : ill ; 21 cm 63 EKO 63 PERTANIAN EKONOMI EKOFARMING. 250620 g 0 ind Penyunting Joachim Motzner N. Daldjoeni Perpustakaan PSEKP 2109/PSEKP/2025