Manoj Kumar, Sushil kumar Tiwari, Priyanka Patel, and SnehdeepSinh Borasiya, “A Review on DESIGN OF SEQUENTIAL BATCH BIO-FILM GRANULAR REACTOR (SBBGR) FOR REDUCTION OF THE SLUDGE”, IJAREST, vol. 4, no. 2, pp. 144–147, Feb. 2017.