TY - BOOK AU - Price TI - Applied math for water plant operators T2 - Mathematics for water and wastewater treatment plant operators series SN - 87762-875-0 PY - 1991/// CY - Lancaster, US PB - Technomic KW - Água KW - Tratamento KW - Matemática KW - Qualidade KW - Gestão KW - TD430 ER -