Sumarliani, Sri, and Afina Afina. “THE POTENTIAL OF ROBUSTA GUCIALIT COFFEE AS A SUPERIOR COMMODITY LUMAJANG REGENCY COFFEE EXPORT”. Proceeding of International Conference on Multidisciplinary Research, vol. 1, no. 1, Jan. 2024, pp. 89-100, https://proceedingkptcn.com/index.php/icmr/article/view/9.