@BOOK{ Book!D - 89986115,
AUTHOR = " John Giorgi.",
TITLE = "Math for wastewater treatment operators grades 1 and 2",
LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Engineering mathematics, Formulae.,Sewage disposal plants-- Employees-- Certification.,Sewage-- Purification-- Mathematics.,Sewage-- Purification, Problems, exercises, etc.,Water-- Purification-- Mathematics.,Water-- Purification, Problems, exercises, etc.,Water treatment plants-- Employees-- Certification.",
URL = "/book/89986115/Math-for-wastewater-treatment-operators-grades-1-a/"}