Agustin, Rika, 		Novita, Dini, 		Pratama, Hendri, 		Sela, Safira, 		Cyntia, Syahna, AND 		Noor, Dear.
" Analisis Korelasi Luas Lahan Serta Ekspor Kopi Lampung Terhadap Ekspor Kopi Indonesia" <em>Indonesian Journal of Applied Mathematics</em> [Online], Volume 1 Number 1 (12 October 2020)