Gambier (Uncaria gambir Roxb.) Plant Productivity Relation Based On Growing Altitude In Lima Puluh Kota Regency. Jurnal Ilmu Ilmu Kehutanan, [S. l.], v. 7, n. 1, p. 1–8, 2023. DOI: 10.31258/jiik.7.1.1-8. Disponível em: https://jiik.ejournal.unri.ac.id/index.php/JIIK/article/view/53. Acesso em: 2 aug. 2025.