van der Walt, M., Maree, J., & Ellis, S. (2006). An investigation regarding metacognition in the learning of mathematics in the senior phase. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt;, 25(3), 177-194. https://doi.org/10.4102/satnt.v25i3.159