Rosmaria , Girsang, and Harahap Ariani Syahfitri. “Effect of Soaking Time With Gibberellins on Germination of Sugar Palm Plant Seeds”. Jurnal Online Pertanian Tropik 8, no. 1 (April 1, 2021): 52-58. Accessed November 22, 2024. https://talenta.usu.ac.id/jpt/article/view/6506.