DEWI, Ratna; SUTRISNO, Hery. Karakter Agronomi dan Daya Hasil Tiga Klon Ubi Jalar Ungu (Ipomoea batatas) di Lahan Masam Lampung. Jurnal Penelitian Pertanian Terapan, [S. l.], v. 14, n. 1, 2017. DOI: 10.25181/jppt.v14i1.137. Disponível em: https://jurnal.polinela.ac.id/index.php/jppt/article/view/137. Acesso em: 17 sep. 2026.