Patidar, M. K., A. Nighojkar, S. Nighojkar, and A. Kumar. “Purification and Characterization of Pectin Methylesterase Produced in Solid State Fermentation by Aspergillus Tubingensis”. Advances and Trends in Biotechnology and Genetics Vol. 2, Oct. 2019, pp. 42-54, https://stm1.bookpi.org/index.php/atbg-v2/article/view/522.