S. Prayugo, A. Daryanto, and S. Djohar, “VALUE CHAIN ANALYSIS OF BROILER TO INCREASE COMPETITIVENESS (Case Study at PT. Charoen Pokphand Indonesia, Tbk)”, jma, vol. 9, no. 2, pp. 55–67, Sep. 2012, doi: 10.17358/jma.9.2.55-67.