Wahyuningsih, Siti Nuria, et al. “ANALISIS DAYA SAING DAN TREND EKSPOR CPO INDONESIA DI PASAR INDIA DAN CHINA”. Jurnal Dinamika Sosial Ekonomi, vol. 20, no. 1, Mar. 2020, pp. 1-13, https://jurnal.upnyk.ac.id/index.php/jdse/article/view/3243.