Farmers' success with tropical grasses: cop-pasture rotations in mixed farming in East Africa / editor, Joseph G. Boonman
Development Assistance, [date of publication not identified]
 Buku Teks SO
Ekofarming : bertani selaras alam / penyunting, Joachim Metzner, N. Daldjoeni
Yayasan Obor Indonesia, 1987
 Buku Teks
Ekofarming : bertani selaras alam / penyunting, Joachim Metzner, N. Daldjoeni
Yayasan Obor Indonesia, 1987
 Buku Teks SO
Ekofarming : bertani selaras alam / penyunting, Joachim Metzner, N. Daldjoeni
Yayasan Obor Indonesia, 1987
 Buku Teks SO
Buletin pertanian
Bogor : Badan Penelitian dan Pengembangan Pertanian - Deptan, 2007,
 Majalah, Jurnal, Buletin