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3by Mudaly, LeushanthaOther Authors: “...De Jager, P.C. (Pieter Christiaan)...”
Published 2016
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4by Rossouw, Petrus StephanusOther Authors: “...De Jager, P.C. (Pieter Christiaan)...”
Published 2013
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5Phosphorus phyto-availability and fertilizer value of petrochemical and municipal wastewater sludgesby Van der Merwe, PetrusOther Authors: “...De Jager, P.C. (Pieter Christiaan)...”
Published 2015
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6by Bekker, Jandre McCoyOther Authors: “...De Jager, P.C. (Pieter Christiaan)...”
Published 2015
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7by Potgieter, Johannes Jacobus ChristianOther Authors: “...De Jager, P.C. (Pieter Christiaan)...”
Published 2014
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