Hutauruk, J. ., and Y. N. . Manalu. “Analisis Pola Dan Margin Pemasaran Pisang Kepok Di Kota Medan”. Jurnal Agriust, vol. 4, no. 1, Dec. 2023, pp. 8-17, https://ejournal.ust.ac.id/index.php/AGRIUST/article/view/3504.