p j nel

P. J. Nel · D. Philip

191 sayfa · 1983

Control / Diseases and pests / Fruit / Plant parasites / Fruit, diseases and pests

P. S. Nel, P. S. van Dyk, G. D. Haasbroek, H. B. Schultz, T. J. Sono, A. Werner · Oxford University Press, USA

640 sayfa · 2005

Personnel management

Tonder, M. J., van Mrs, Tonder, J. J., van Mrs, P. A. Nel · Bureau of Market Research, University of South Africa

404 sayfa · 1968

Market surveys / Statistics