Kemp M, de Kock K, Wolmarans C. A study on the health of the Olifants River as reflected by the aquatic macro-invertebrate biodiversity and selected abiotic factors. SATNT [Internet]. 23May2012 [cited 18Apr.2024];31(1):2 bladsye. Available from: http://www.satnt.ac.za/index.php/satnt/article/view/293