SIAHAAN, A. J.; IRSAL; SITORUS, B. The Relationship between Climate and Productivity of Tea Plants (Camellia sinensis L.) in Bah-Butong Gardens PT. Perkebunan Nusantara IV, North Sumatra Province in 2005-2009. Jurnal Online Pertanian Tropik, [S. l.], v. 11, n. 2, p. 1–8, 2024. DOI: 10.32734/jopt.v11i2.17559. Disponível em: https://talenta.usu.ac.id/jpt/article/view/17559. Acesso em: 17 aug. 2025.