Gilbert, Alison

Natural resource accounts for Botswana : environmental accounting for a natural resource-based economy

1989 Gilbert, Alison | Harrison, Anne | Pearce, David W. (David William) | Perrings, Charles |

Natural resource accounts for Botswana : environmental accounting for a natural resource-based economy

1989 Perrings, Charles | Gilbert, Alison | Pearce, David W. (David William) | Harrison, Anne |

Botswana national conservation strategy : natural resource conservation and development : a summary of economics and the environment, a contribution to the national conservation strategy for Botswana

1988 Perrings, Charles | Opschoor, Hans | Arntzen, Jaap W. | Gilbert, Alison | Pearce, David W. (David William) |
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