Hajsardar, Mehdi, Afshin Takdastan, Mehdi Ahmadi, and Amir Hesam Hasani. 2011. “Study of Reducing Waste Biosolids in Sequencing Batch Reactor by Ozonation to Waste Biosolids”. Asian Journal of Chemistry 23 (8):3615-19. https://asianpubs.org/index.php/ajchem/article/view/10661.