HANDAYANI, Surya; MARDIANA, Siti; HASIBUAN, Syahbuddin. Analysis of the Effect of Altitude Variation on the Production Quality of Sidimpuan Salak (Salacca sumatrana Becc.) in South Tapanuli Regency. Journal of Global Sustainable Agriculture, [S. l.], v. 6, n. 2, p. 104–111, 2026. DOI: 10.32502/jgsa.v6i2.2041. Disponível em: https://ojs.um-palembang.ac.id/index.php/JGSA/article/view/2041. Acesso em: 6 aug. 2026.