De Jager

ERP value determination in South African companies

De Jager, Daniel Christiaan, 2011 .

Phosphate in South Africa

V. Linde, De Jager, Nicotra, 1989 .

Human health aspects related to the ingestion of geophagic clayey soils from the Free State and Limpopo provinces, South Africa

De Jager, G. Ekosse, V. Ngole, 2013 .

Aspects of growth empirics in South Africa

De Jager, W. JohannesL, 2005 .

Exposure of poultry farm workers to ammonia, particulate matter and microorganisms in the Potchefstroom district, South Africa

De Jager, A. Catharina, 2005 .