PAKPAHAN, P. A.; FAUZI, I. R.; LUBIS, Y.; HASIBUAN, S.; SIREGAT, A.; SIREGAR, T. H. MODEL NILAI SISTEM AGRIBISNIS PETANI KARET RAKYAT DI KABUPATEN LANGKAT. Jurnal Penelitian Karet, [S. l.], v. 43, n. 1, p. 75–88, 2025. DOI: 10.22302/ppk.jpk.v43i1.981. Disponível em: https://ejournal.puslitkaret.co.id/index.php/jpk/article/view/981. Acesso em: 13 jul. 2025.