Bioremediation of toluene by bioaugmentation, biostimulation and natural attenuation Cevat Yaman, Ismail Anil, Omer Aga, Ayse B. Yaman and Aleem Qureshi E3S Web Conf., 280 (2021) 11014 Published online: 30 June 2021 DOI: 10.1051/e3sconf/202128011014