Water System Operations (WSO) Water Distribution, Grades III & IV (AWWA's Water System Operations)
M**K
Better than the California book.
Excellent book for obtaining your Distribution Water License. I like it way better than the California Book. It’s easier to understand and updated photos in book.
A**A
The content doesn't worth the money!
Has no details. Just general and common sense stafffs
Trustpilot
3 days ago
2 weeks ago