MOLEK; DWI SETYA RINI; MANGATAS HALOMOAN PARLUHUTAN HUTAGULUNG. The Efficacy of the Consumption of Manalagi Apples and Fuji Apples on Decreasing Plaque Index in Students of Madrasah Aliyah Al-Hidayah Labuhan Batu Selatan, North Sumatra. Eureka Herba Indonesia, v. 2, n. 1, p. 75-80, 18 Mar. 2021.