Larson, Jean; Conference of African Animal Health Workers (1st : 1995 : Onderstepoort, South Africa); Van der Westhuizen, Erica E.(University of Pretoria, Veterinary Science Library, 1997)
Kopper, Carolyn; Conference of African Animal Health Workers (1st : 1995 : Onderstepoort, South Africa); Van der Westhuizen, Erica E.(University of Pretoria, Veterinary Science Library, 1997)
Croft, Vicki F.; Conference of African Animal Health Workers (1st : 1995 : Onderstepoort, South Africa); Van der Westhuizen, Erica E.(University of Pretoria, Veterinary Science Library, 1997)