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2by Vermeulen, J.B. (comp.), Department of Agriculture, Pretoria (South Africa) eng, Dreyer, M. (comp.), Grobler, H. (comp.)
Published 1993Texto bibliotecaFAO IT -
3A guide to the use of pesticides and fungicides in the Republic of South Africa A guide to the use of pesticides and fungicides in the Republic of South Africaby Krause, M. (comp.), Department of Agriculture, Pretoria (South Africa) eng, Nel, A. (comp.), van Zyl, K. (comp.)
Published 1996Texto bibliotecaFAO IT -
4by Vermeulen, J.B. (comp.), Department of Agriculture, Pretoria (South Africa) eng, Grobler, H. (comp.), Van Zyl, K. (comp.)
Published 1998Texto bibliotecaFAO IT -
5by International Union for the Protection of New Varieties of Plants, Geneva (Switzerland) eng, Seminar on the Nature of and Rationale for the Protection of Plant Varieties under the UPOV Convention eng 3-5 May 1995 Pretoria (South Africa), Department of Agriculture, Pretoria (South Africa) eng
Published 1996Texto bibliotecaFAO IT