@book{1005,
	author = {Gayle, Barbara Mae.},
	title = {Classroom communication and instructional processes : advances through meta-analysis /},
	publisher = {Lawrence Erlbaum Associates,},
	year = {2006.},
	address = {Mahwah, N.J. :},
	url = {http://www.loc.gov/catdir/enhancements/fy0624/2005046277-d.html}
}