Julies, Elsabe M., and Isak K. Kaholongo. “Relationship Between Dissolved Oxygen and the Vertical and Longitudinal Distribution of Zooplankton off the Namibian Coast”. International Science and Technology Journal of Namibia (April 14, 2014): 078–089. Accessed May 6, 2024. https://journals.unam.edu.na/index.php/ISTJN/article/view/1151.