Fithri Pulungan, A. .; Ridwanto, R.; Indrayani Dalimunthe, G. .; Rani, Z. .; Dona, R. .; Andi Syahputra, R. .; Rambe, R. . Phytochemical Screening And Antioxidant Activity Testing Of Porang (Amorphophallus Muelleri Blume) Leaf Ethanol Extract From Kuta Buluh Region, North Sumatera. IJHP 2022, 3, 1-7.