کتاب های Joanne Drinan
Electricity Fundamentals for the Water and Wastewater Maintenance Operator
Frank R. Spellman, Joanne Drinan, 2000
Piping and Valves: Fundamentals for the Water and Wastewater Maintenance Operator
Frank R. Spellman, Joanne Drinan,, 2001
Blueprint reading
Frank R Spellman; Joanne Drinan, 2002
Water and Wastewater Treatment A Guide for the Nonengineering Professionals
Joanne E. Drinan, 2000
