Rani, A. and Kumar, A. 2020. CEPHALOSPORIN PRODUCTION WITH FREE 8 IMMOBILIZED CEPHALOSPORIUM ACREMONIUM CELLS 8 DETERMINATION OF OXYGEN TRANSFER RATE IN STIRRED TANK REACTOR. Journal of Advanced Scientific Research. 11, Suppl 6 (Sep. 2020), 138-143. DOI:https://doi.org/16.