SIREGAR, A. Z. . LITERASI INVENTARISASI HAMA DAN PENYAKIT TEMBAKAU DELI DI PERKEBUNAN SUMATERA UTARA. Jurnal Online Pertanian Tropik, [S. l.], v. 3, n. 3, p. 206–213, 2016. DOI: 10.32734/jopt.v3i3.2978. Disponível em: https://idjpcr.usu.ac.id/jpt/article/view/2978. Acesso em: 5 aug. 2025.