congrès/colloque

Heartwater : past, present and futur

Republic of South Africa, Pretoria (ZAF). Departement of Agriculture and Water Supply ; International Workshop (1986/09/08-11; Kruger National Park, ZAF) | Pretoria [ZAF] : Government Printer | 1987

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ouvrage

Official list of professional and research workers, lecturing staff, extension and other workers in the agricultural field, 1993

Republic of South Africa, Pretoria (ZAF). Departement of Agriculture and Water Supply | Pretoria [ZAF] : Department of Agriculture | 1994

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