Effect of humic acid on photocatalytic activity of ZnO nanoparticles
Journal of photochemistry and photobiology. B, Biology (2014) - Comments
pubmed: 24935416  doi: 10.1016/j.jphotobiol.2014.05.013  issn: 1873-2682  issn: 1011-1344 

Preethy Chandran, Suhas Netha, S. Sudheer Khan