“Dampak Bea Keluar Kakao Indonesia Terhadap Country Market Power Di Pasar Biji Kakao Amerika Serikat Dan Terms of Trade”. Jurnal Agribisnis Indonesia, vol. 2, no. 2, Mar. 2017, pp. 107-26, https://doi.org/10.29244/jai.2014.2.2.107-126.