After the flush
By: [guide ... written by Helen Brisbin]
Contributors: Alberta Educational Communications Corporation
Series: Science, technology & society; Science, technology & society (Edmonton, Alta.)
Publisher: ACCESS Network
Published: 1994
Place of publication: Edmonton
Language: eng
Number of pages: 20
Subjects: Sewage sludge; Sewage; Purification
Notes: Includes bibliographical references (p. 17).