1. Available at https://sixthform.stephenperse.com/blog/?pid=458&nid=45&storyid=4728
2. Available at https://eduvoice.in/modern-teaching-methods/#0-what-is-modern-teaching
3. Slavin RE (2014) Cooperative learning and academic achievement: Why does groupwork work? Anales de Psicología/Ann Psychol 30:785–791. https://doi.org/10.6018/analesps.30.3.201201
4. Smith BL, Macgregor J (1992) What is collaborative learning, collaborative learning: a sourcebook for higher education. National Centre of Post-secondary Teaching, Learning and Assessment (NCTLA), University Park, PA, pp 9–22
5. Available at https://www.valamis.com/hub/collaborative-learning#collaborative-learning-definition