A. Madika, U. Asagha Eugene, M. Bishir, M. Abdulkadir Sulaiman, and I. Mohammed Hussaini, “SCREENING OF ASPERGILLUS NIGER ISOLATED FROM SOIL FOR PECTINASE PRODUCTION”, FJS, vol. 4, no. 2, pp. 244–249, Jul. 2020, doi: 10.33003/fjs-2020-0402-165.