FITRIANI, Fitriani; ARIFIN, Bustanul; ZAKARIA, Wan Abbas; ISMONO, R. Hanung. Kinerja Usahatani Kopi di Hulu DAS Sekampung, Tanggamus, Lampung. Jurnal Penelitian Pertanian Terapan, [S. l.], v. 18, n. 3, p. 165–174, 2020. DOI: 10.25181/jppt.v18i3.1503. Disponível em: https://jurnal.polinela.ac.id/index.php/jppt/article/view/1503. Acesso em: 17 sep. 2026.