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1by Schutte, Jacobus“.... This discord may result from a variety of problems such as physiological, physical, educational, environmental...”
Published 2014
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2by Schutte, Jacobus“.... This discord may result from a variety of problems such as physiological, physical, educational, environmental...”
Published 2014
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3by Le Roux, Johannes Petrus“...-comings; 4. To provide a stimulus for self-exercise; 5. To provide standards (norms) of performance...”
Published 2013
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4by Le Roux, Johannes Petrus“...-comings; 4. To provide a stimulus for self-exercise; 5. To provide standards (norms) of performance...”
Published 2013
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