Mahat Ali, Mohamed, and Ahmed Osman Warfa. “Pupils, Parents and Teachers Perceptions on Causes of Low Achievements in Kenya Certificate of Primary Education Examination: A Case Study in a Public School in Mandera County, Kenya”. International Journal of Academic Research in Progressive Education and Development, vol. 7, no. 2, June 2018, https://ijarped.com/index.php/journal/article/view/381.