Doan, Tran Van
The poverty of ideological education
Council for Research in Values and Philosophy, 2000
 Buku Teks
The Assault on world poverty : problems of rural development, education, and health
with a pref. by Robert S. McNamara
The John Hopkins University Press , 1975
 Buku Teks
Coombs, Philip H.
Attacking rural poverty: how nonformal education can help
John Hopkins University Press, 1988
 Buku Teks
Coombs, Philip H.
Attacking rural poverty: how nonformal education can help
Johns Hopkins University Press, 1974
 Buku Teks
Breaking the ideological barrier
 Artikel Jurnal