Van Zyl, A. 1935. An investigation into individual method as applied to the teaching of mathematics, with special reference to tenacity, incentive and socio-economic circumstances. University of Cape Town.

Van Zyl, A. J. (1935). An investigation into individual method as applied to the teaching of mathematics, with special reference to tenacity, incentive and socio-economic circumstances. (). University of Cape Town ,Faculty of Humanities ,School of Education. Retrieved from http://hdl.handle.net/11427/25868

Van Zyl, A J. "An investigation into individual method as applied to the teaching of mathematics, with special reference to tenacity, incentive and socio-economic circumstances." ., University of Cape Town ,Faculty of Humanities ,School of Education, 1935. http://hdl.handle.net/11427/25868

Van Zyl AJ. An investigation into individual method as applied to the teaching of mathematics, with special reference to tenacity, incentive and socio-economic circumstances. []. University of Cape Town ,Faculty of Humanities ,School of Education, 1935 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/25868