Naicker, L., du Toit, P., Kleynhans, M. and Kruger, E. 2013. Comparing visual skills in sedentary and active work environments. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt;. 32, 1 (Dec. 2013), 1 page. DOI:https://doi.org/10.4102/satnt.v32i1.844.