UTILIZATION WASTE OF FLY ASH AS A ADDITIONAL FOR CONCRETE MIXTURE WITH IMPLEMENTATION OF ECO GREEN CONCRETE Authors Muhammad Andi Rizki Ferdiansyah Department of Industrial Engineering, Faculty of Engineering Universitas 17 Agustus 1945 Surabaya Abstract - Downloads PDF Published 2022-09-26 Issue Vol. 1 No. 1 (2022) Section Articles