Tivkaa, Amande, and Adebayo-Tayo Bukola. 2012. “Screening of New Isolates Fungal Strains for Polygalacturonase Production in Submerged Fermentation”. Innovative Romanian Food Biotechnology, no. 11 (September), 15-22. https://gup.ugal.ro/ugaljournals/index.php/IFRB/article/view/3390.