Analysis of the Effect of Altitude Variation on the Production Quality of Sidimpuan Salak (Salacca sumatrana Becc.) in South Tapanuli Regency. JGSA [Internet]. 2026 Jul. 17 [cited 2026 Oct. 2];6(2):104-11. Available from: https://ojs.um-palembang.ac.id/jgsa/article/view/2041