Work book, questions and answers
Subtitle: wastewater treatment plant operator training : instructional material to prepare students for the certification examinations
By: prepared by F. Leonard Coventry.
Publisher: F. L. Coventry
Published: 1972
Place of publication: Gary, in
Language: eng
Number of pages: 64
Subjects: Sewage -- Purification.
Other titles: Wastewater treatment plant operator training.
Notes: Spiral binding.