Removal of Chromium and Lead from Industrial Wastewater Using Effective Microorganisms (EM) Technology. Tikrit j. eng. sci. [انترنت]. 31 مارس، 2011 [وثق 9 نوفمبر، 2026];18(1):9-18. موجود في: https://tj-es.com/ojs/index.php/tjes/article/view/489