Hamsa, Azizulfiqri, Tahrir Aulawi, and Bakhendri Solfan. “Difference in Harvesting Time for The Chemical Quality of Red Betel Leaf (Piper Crocatum Ruiz & Pav.)”. Jurnal Online Pertanian Tropik 7, no. 3 (March 8, 2021): 317-325. Accessed November 24, 2024. https://talenta.usu.ac.id/jpt/article/view/4620.