“ Phytochemical Screening, GC-MS Analysis, and Antioxidant Activity (DPPH Method) of Ethanol Extract of Chinese Betel Leaf (Peperomia Pellucida (L.) Kunth)”, JPS, vol. 9, no. 2, pp. 1791–1801, Jun. 2026, doi: 10.36490/journal-jps.com.v9i2.1562.