Wahyu Ningrum, D.U., Samadi, K. and Saraswati, W. 2020. The inhibitory efficacy of flavonoid of mangosteen peel extract (Garcinia Mangostana Linn.) against Lactobacillus Acidophilus biofilm bacteria. Conservative Dentistry Journal. 10, 2 (Jun. 2020), 75–79. DOI:https://doi.org/10.20473/cdj.v10i2.2020.75-79.