n Engelse taaltoets vir 'n opmeting bestem : 'n itemontleding en reduksie van die oorspronklike toets by Botha, Adriaan Gerhardus

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Geheue vir betekenisvolle leerstof : 'n eksperimentele ondersoek by Botha, Adriaan Gerhardus

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The reliability of pulp evaluation and paper testing, and the effect of measurement error on quality and cost by Botha, Adriaan Hendrikus

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Suksesvolle en minder suksesvolle akademiese presteerders : 'n sielkundige ondersoek by Botha, Adriaan Gerhardus

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Process capability studies in the pulp and paper industry by Botha, Adriaan Hendrikus

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The outcome of relapsed and residual clubfeet treated with the Taylor Spatial Frame by Botha, Adriaan Hendrik, Du Toit, Jacques, Lamberts, Robert P.

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Comparing the relationships of employee and customer focused leadership behaviours on employee engagement

Other Authors: “…Botha, Adriaan…”
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