Farhana, Linda Eka, et al. “ANALISIS DAN MITIGASI RISIKO RANTAI PASOK KAKAO DI GRIYA COKELAT NGLANGGERAN GUNUNGKIDUL YOGYAKARTA”. Jurnal Dinamika Sosial Ekonomi, vol. 20, no. 1, Mar. 2020, pp. 55-64, https://jurnal.upnyk.ac.id/index.php/jdse/article/view/3250.