Van Straaten M, Theron F, Janse van Rensburg D, Groenewald G, Ran A. n-de-magswortels van H-selftoegevoegde matrikse. SATNT [Internet]. 2Mar.2020 [cited 22Dec.2024];38(1):224. Available from: http://satnt.co.za/index.php/satnt/article/view/781