A Guide to models in governmental planning and operations

Xehetasun bibliografikoak
Egile korporatiboa:	United States. Environmental Protection Agency, Office of Research and Development
Beste egile batzuk:	Gass, Saul I., Sisson, Roger L.
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	Potomac, Md. Sauger Books 1975.
Gaiak:	Policy sciences > Mathematical models.