1. Teacher motivation to implement an educational innovation: factors differentiating users and non-users of cooperative learning
2. Aliye, E. R. D. E. M. 2009. “Pre-service Teachers’ Attitudes towards Cooperative Learning in Mathematics Course: World Conference Education Science”.
3. Improving pupil group work interaction and dialogue in primary classrooms: results from a year‐long intervention study
4. Belilew, M. 2015. "Practices and Challenges of Implementing Cooperative Learning: Ethiopian High School EFL Teachers.‟ Perspectives.
5. Belsti, A. 2014. "A Study on Teachers" and Students' Perception and Practices on Cooperative Learning in English Classes with Particular Reference to Grade Eleven Students of Medhanealem, Kelemwework and Millennium Preparatory Schools." Unpublished MA Thesis, Hawassa University.