Characteristics of Kaolin Clay on Alluvial Formation Subdistrict Mataraman Based on Physical Properties and Chemical PropertiesAnnisa, Marselinus Untung Dwiatmoko, Uyu Saismana and Rizal MaulanaiMATEC Web Conf., 280 (2019) 03009DOI: https://doi.org/10.1051/matecconf/201928003009