Coombs, Philip H.
Memerangi kemiskinan di pedesaan melalui pendidikan non-formal = Attacking rural poverty; how nonformal education can help
Rajawali, 1984
 Buku Teks
Coombs, Philip H.
Attacking rural poverty: how nonformal education can help
Johns Hopkins University Press, 1974
 Buku Teks
Coombs, Philip H.
Attacking rural poverty: how nonformal education can help
John Hopkins University Press, 1988
 Buku Teks
Gould, W.T.S.
People and education in the third world
John Wiley, Longman Scientific, 1993
 Buku Teks
King, Kenneth
Aid and education in the developing world
Longmann Group, 1991
 Buku Teks