Ikeda, Daisaku, 1928-
Discussions on youth
Eternal Ganges Press Private, 2010
 Buku Teks
Moskal, Mary Kay
Partnering for fluency
Guilford Press, 2006
 Buku Teks
Krishnamurti, Jiddu, 1895-1986
The limits of thought discussions
New York Routledge , 1999
 Buku Teks
Krishnamurti, Jiddu, 1895-1986
Discussions with Krishnamurti in Europe,1965
Saanen, 1966
 Buku Teks SO
Family planning and the environment : IVth annual technical discussions
The International Journal of Health Education, 1974
 Buku Teks SO