00849pam a22002418a 4500 00046468 20210302090301.0 110427s2007 ||||||Viesd 63000 0419229108 Vie 628.5 W110P Helmer, Richard Water Pollution Control: A Guide to the Use of Water Quality Management Principles Richard Helmer, Ivanildo Hespanhol Great Britian 1997 St Edmundsbury Press 526 tr. 27cm Hướng dẫn Nước Xử lý Ô nhiễm môi trường Hespanhol, Ivanildo KM.0035400 KM.0035397 KD.0027838 KM.0035374 KM.0035394 02/03/2021 Trung tâm Học liệu Lê Vũ Hùng, Trường Đại học Đồng Tháp