MASTERS GILBERT M. (2012). INTRODUCTION TO ENVIRONMENTAL ENGINEERING AND SCIENCE (3RD ED.). PHI LEARNING PVT LTD.

MASTERS GILBERT M. INTRODUCTION TO ENVIRONMENTAL ENGINEERING AND SCIENCE. 3RD ED. NEW DWLHI: PHI LEARNING PVT LTD, 2012.

MASTERS GILBERT M. INTRODUCTION TO ENVIRONMENTAL ENGINEERING AND SCIENCE. 3RD ED. PHI LEARNING PVT LTD, 2012.