Shochrul Rohmatul Ajija, et al. “THE EFFICIENCY OF LARGE AND MEDIUM SCALE OF THE FOOD AND BEVERAGE INDUSTRIAL PRODUCTION IN EAST JAVA: DATA ENVELOPMENT ANALYSIS (DEA) AND STOCHASTIC FRONTIER ANALYSIS (SFA) APPROACHES”. East Java Economic Journal, vol. 2, no. 2, Sept. 2018, pp. 139-57, doi:10.53572/ejavec.v2i2.21.