Ranti Hidayawanti, Dicki Dian Purnama, Tommy Iduwin, Supriadi Legino, and Fahdun Ibnu Wachid, “THE IMPACT AGGREGATE QUALITY MATERIAL AS A LINEAR REGRESSION STUDY ON MIXTURE CONCRETE”, INTERNATIONAL JOURNAL OF GEOMATE, vol. 18, no. 70, pp. 23–29, Jun. 2020.