1. Brann, A., &Gray, T. (2012). Embedded supports to differentiate instruction for struggling students. Retrieved from http://www.readingrockets.org
2. Brolan, C. E. (2013). Suranho healing. Filipino concepts of intellectual disability and treatment choices in Negros Occidental. https://doi.org/10.1080/09687599.2013.771899
3. Cohen, M. (2012). The implications of mastery learning for special education learning disabled and emotionally impaired students and teachers. Grand Valley State University.
4. Kohama, O. (2012). Transforming initial teacher education for special education in Tanzania. Retrieved from http://intldelt.uoregon.edu
5. Mauro, T. (2017). Article from #22qawarenessDays. Retrieved from http://www.verywell.com