Environmental effects of agricultural change and development in the Northern Province, Zambia
1989
Environmental surveys
Environmental profile, western province, Zambia
1988
Gils, Han van |
Aongola, G. |
Garamba National Park project : interim report January-June 1993
1993
Hillman Smith, A. K. Kes |
Smith, Fraser |
Projet de legislation relatif a l'environnement au Zaïre : rapport de mission 12 septembre - 13 octobre 1979
1979
Garcin, Jean-Loup |