Safe chemical handling for lifeguards and pool operators [videorecording] : human kinetics
DVD format.
| Format: | |
|---|---|
| Language: | eng |
| Published: |
Champaign, ILL : Human Kinetics,
2008
|
| Subjects: |
DVD format.
| Format: | |
|---|---|
| Language: | eng |
| Published: |
Champaign, ILL : Human Kinetics,
2008
|
| Subjects: |