“Analisis Pasar Komoditas Hortikultura Sayuran Tanah Karo: Kasus Kentang Dan Bawang Daun”. Forum Penelitian Agro Ekonomi 11, no. 2 (September 9, 2016): 37–46. Accessed April 20, 2025. https://epublikasi.pertanian.go.id/berkala/index.php/fae/article/view/1243.