Orwenjo, Daniel Ochieng, and Fridah Kanana Erastus. “Challenges of Adopting Open Educational Resources (OER) in Kenyan Secondary Schools: The Case of Open Resources for English Language Teaching (ORELT)”. Journal of Learning for Development 5, no. 2 (July 18, 2018). Accessed March 29, 2024. https://jl4d.org/index.php/ejl4d/article/view/282.