Shumaila Butt, Sikander Ali and Ikram-ul-Haq. 2021. “MUTATION OF CEPHALOSPORIUM ACREMONIUM NRRL-2443 THROUGH UVIRRADIATION FOR CEPHALOSPORIN-C PRODUCTION”. Pakistan Journal of Biotechnology 4 ((1-2):41-46. https://pjbt.org/index.php/pjbt/article/view/197.