Maree, J.G. (Kobus); Aldous, Colleen; Hattingh, Annemarie; Swanepoel, Andre; Van der Linde, Michael J. (Mike)
(Education Association of South Africa (EASA), 2006-05)
Eight hundred and ninety-nine (431 male, 467 female and one missing value) Grade 8 and 9 (n = 184 and 713, respectively, with two missing values) learners from secondary schools in Mpumalanga completed a science and ...