Albrektienė, Ramunė, and Mindaugas Rimeika. “Methods for Determining Organic Matter and Colour in Water”. Mokslas – Lietuvos ateitis / Science – Future of Lithuania 2, no. 5 (October 31, 2010): 5-8. Accessed December 22, 2024. https://journals.vilniustech.lt/index.php/MLA/article/view/10162.