@book{48044,
	author = {Hughes, A. G. and Hughes, E. H.},
	title = {Learning and Teaching :},
	publisher = {Longmans,},
	year = {1967.},
	address = {London :},
	edition = {3rd. ed.},
	note = {Appendix A: Programmed Learning. Appendix B: A short list of Educational Classics. - Index.}
}