Stephanus, G.H. 2018. Effective teaching practices from the perspective of Kilpatrick, Swafford and Findells (2001) model: A video-based case study analysis of the teaching of geometry in Namibia. The Namibia CPD Journal for Educators. (Feb. 2018), 63–8. DOI:https://doi.org/10.32642/ncpdje.vi.1271.