Uugwanga, J. S., H. M. Kapenda, and C. D. Kasanda. “Effects of Authentic Learning Activities on Grade 7 learners’ Achievements in Natural Science: Cases of Two Regions in Namibia”. The Namibia CPD Journal for Educators, vol. 8, no. 1, July 2023, pp. 1-18, doi:10.32642/ncpdje.v8i1.1959.