suwali, suwali, Afif Hendri Putranto, Victor Bintang Panunggul, Dwi Putriana Nuramanah Kinding, dan Faizah Noviani. “ANALISIS KONTRIBUSI EKSPOR KOPI TERHADAP PDB SEKTOR PERKEBUNAN DI INDONESIA”. Perwira Journal of Economics & Business 2, no. 2 (Agustus 1, 2022): 43–49. Diakses April 25, 2024. https://ejournal.unperba.ac.id/index.php/pjeb/article/view/143.