1. Improving fidelity to treatment during randomised controlled trials in schools by engaging teachers in the design process during a developmental study. Collaborative learning: Developments in research and practice;Cockerill,2015
2. CONSORT 2010 guideline;CONSORT,2010
3. Implication of Piaget’s theory for peer-learning;De Lisi,1999
4. Styles and sequence of cooperative interaction in fixed and reciprocal peer tutoring;Duran;Learning and Instruction,2005
5. Educational psychology: Windows on the classroom (3rd ed.).;Eggen,1997