HOSEN, N. Profil Sistem Usaha Pertanian Gambir di Sumatera Barat. Jurnal Penelitian Pertanian Terapan, [S. l.], v. 17, n. 2, 2017. DOI: 10.25181/jppt.v17i2.291. Disponível em: https://jurnal.polinela.ac.id/jppt/article/view/291. Acesso em: 1 may. 2024.