Introduction Unit1- 2: environmental control and public health
Introduction Unit1- 2: environmental control and public health
Environmental control and public health.
prepared by the Course Team.
- T237 Units 1 and 2.
- London The Open Univesty, 1992
- 63 p. : ill.; 27 cm.
- Technology:a second level course. .
Includes bibliogrphical references.
Polluction--environmental control.
Biology.
Includes bibliogrphical references.
Polluction--environmental control.
Biology.