Dewi, Ratna, and Hery Sutrisno. “Karakter Agronomi Dan Daya Hasil Tiga Klon Ubi Jalar Ungu (Ipomoea Batatas) Di Lahan Masam Lampung”. Jurnal Penelitian Pertanian Terapan 14, no. 1 (July 5, 2017). Accessed November 22, 2024. https://jurnal.polinela.ac.id/jppt/article/view/137.