NATIONAL SWIMMING POOL FOUNDATION

year of pub­li­ca­ti­onISBNauthor(s)title
2005978-0-9753948-0-9Certified Pool-Spa Operator Handbook
2006978-0-9753948-3-0Guia para el Certified Pool - Spa Operator
2007978-0-9753948-4-7Pool Mathâ„¢ Workbook