Conservation of natural resources a resource management approach

Dades bibliogràfiques
Autor principal:	Castillon, David A.
Format:	Llibre
Idioma:	English
Publicat:	Dubuque, IA Wm.C. Brown c1992
Matèries:	Conservation of natural resources. Conservation of natural resources > United States. Natural resources > Management. Natural resources > Management. > United States.