AGUSTIN, Rika et al.
 Analisis Korelasi Luas Lahan Serta Ekspor Kopi Lampung Terhadap Ekspor Kopi Indonesia.
<strong>Indonesian Journal of Applied Mathematics</strong>, [S.l.], v. 1, n. 1, p. 25-30, oct. 2020.
ISSN 2774-2016.
Available at: &lt;<a href="https://journal.itera.ac.id/index.php/indojam/article/view/289" target="_new">https://journal.itera.ac.id/index.php/indojam/article/view/289</a>&gt;. Date accessed: 26 apr. 2024.