Plimsoll, J., Saban, B., Spheris, A. and Rajaratnam, K. 2013. The Day Of The Week Effect: An Analysis Of The Johannesburg Stock Exchange Top 40 Firms. International Business & Economics Research Journal (IBER). 12, 3 (Feb. 2013), 319–330. DOI:https://doi.org/10.19030/iber.v12i3.7675.