@book{23475,
	author = {ROWAN, B. and GUTHRIE, L.F.},
	title = {THE QUALITY OF CHAPTER 1 INSTRUCTION: RESULTS FROM A STUDY OF TWENTY-FOUR SCHOOLS. EN: EFFECTIVE PROGRAMS FOR STUDENTS AT RISK.},
	publisher = {ALLYN AND BACON},
	year = {1989},
	address = {Londres}
}