SANDHYA GAJARE, LINGAPPA KATTIMANI, SARFARAZ AHMED, MAHESH DIVATAR, and SHIVALEE A, “OPTIMIZATION OF MENAQUINONE-7 PRODUCTION UNDER SUBMERGED FERMENTATION BY BACILLUS THURINGIENSIS KLSG-9”, ijpbs, vol. 7, no. 4, pp. 420–426, Dec. 2016.