TThe class size questionThe class size questionde Doris W. RyanMateriasClass sizeEdiciones (1)The class size question (1975)Ministry of Education · inglésMás obras de Doris W. RyanMMastery learningMastery learningThe IEA classroom environment studyCClarifying the class size questionClarifying the class size question
EEvaluation and synthesis of studies related to the effects oEvaluation and synthesis of studies related to the effects of class size, pupil-adult, and pupil-teacher ratios
