Koryati, Try, and Luthfi A. M. Siregar. “Latex Flow Pattterns Several of Clone With the Use of Plant Growth Regulator to Production”. Jurnal Online PERTANIAN TROPIK 6, no. 2 (1): 300- 310. Accessed May 5, 2024. https://talenta.usu.ac.id/jpt/article/view/3183.