Singh, Alvina, Rachna Chaturvedi, and Sujeet Kumar Singh. 2014. “To Study the Variation in Growth of Aspergillus and Trichoderma Strains under the Effect of Metal Ions, PH, Temperature and Solvents”. Research in Biotechnology 5 (5). https://www.updatepublishing.com/journal/index.php/rib/article/view/2652.