Pawlita-Posmyk, Monika; Wzorek, Małgorzata - In: Economic and environmental studies : a journal for … 16 (2016) 3, pp. 491-500
Year by year domestic sewage treatment plants are becoming more popular. A pilot solution used on a grand scale in … the recognition of domestic biological sewage treatment plants as an economical, modern and safe solution and also as a …