4The organization and economy of pest control in China
Berner, Boel.
4The organization and economy of pest control in China - Lund : University of Lund, 1979 - 66 p. mapa - Discussion paper ; 128 . - Discussion paper ; 128 .
15468
Agricultura--China.
Control de plagas.
Entomología económica.
4The organization and economy of pest control in China - Lund : University of Lund, 1979 - 66 p. mapa - Discussion paper ; 128 . - Discussion paper ; 128 .
15468
Agricultura--China.
Control de plagas.
Entomología económica.