Banjar، F.، و Bellinger، E. G. (1992). The Relationship between Organic Colour and Metals in Water and its Implication for Water Treatment (رسالة دكتوراه غير منشورة). University of Manchester، مانشستر. مسترجع من http://search.mandumah.com/Record/601767
Banjar، Fadhel، و E. G. Bellinger. "The Relationship between Organic Colour and Metals in Water and Its Implication for Water Treatment" رسالة دكتوراه. University of Manchester، مانشستر، 1992. مسترجع من http://search.mandumah.com/Record/601767