oleh Heru Santoso [and others]
Danar Wijaya Brawijaya University Press, 1997
Buku Teks
Kusnaka Adimihardja
Humaniora Utama Press, 2001
Buku Teks
World Bank , 1981
Buku Teks
Altieri, Miguel A.
Westview Press, 1987
Buku Teks
Department of Communication and Community Development Sciences, Bogor Agricultural University, 2014
Majalah, Jurnal, Buletin