Utete, C. N., A. M. Ilukena, and M. B. Simasiku. “The Relevance of Integrating Ethno-Science (Indigenous Knowledge) into Upper Primary Natural Sciences and Health Education School Curriculum in the Zambezi Region”. Journal for Studies in Humanities and Social Sciences, Nov. 2016, pp. 095-04, https://journals.unam.edu.na/index.php/JSHSS/article/view/1040.