MOHD MASRI, M. M., M. S. T. MAIDIN, and A. BIN ARIFF. “IMPACT OF SINGLE AND TWO-PHASE DISSOLVED OXYGEN TENSION CONTROL ON Bacillus Thuringiensis CULTIVATION AND δ-ENDOTOXIN PRODUCTION”. Malaysian Applied Biology, vol. 50, no. 1, Mar. 2021, pp. 73-84, doi:10.55230/mabjournal.v50i1.14.