The socio-economic impact of proteaceae research and technology development in South Africa

von Esterhuizen, J. M. C.
Veröffentlicht in Impact of science on African agriculture and food security (2007)

Impact assessment of the biological control of Prosopis species in the Britstown-De Aar District, South Africa

von Esterhuizen, J. M. C.
Veröffentlicht in Impact of science on African agriculture and food security (2007)