Niine R, Loigu E, Pachel K. COMPLIANCE OF WASTEWATER TREATMENT PLANTS IN JÄRVA COUNTY WITH THE EU URBAN WASTEWATER TREATMENT DIRECTIVE AND ESTONIAN NATIONAL REQUIREMENTS. ESJ [Internet]. 2013Jul.12 [cited 2024Apr.26];9(21). Available from: https://eujournal.org/index.php/esj/article/view/1471