Nuryawan, Arif, and Apri Heri Iswanto. “Editorial 2021: Letter from the Board of the Journal of Sylva Indonesiana (JSI)”. Journal of Sylva Indonesiana 4, no. 01 (February 26, 2021). Accessed August 12, 2026. https://talenta.usu.ac.id/Jsi/article/view/5694.