Rasuli, M.I. and Shigeishi, M. 2021. FUNDAMENTAL INVESTIGATION OF RECYCLED CONCRETE USING PAPER SLUDGE ASH AND SILICA FUME . MATTER: International Journal of Science and Technology. 7, 1 (Apr. 2021), 30–43. DOI:https://doi.org/10.20319/mijst.2021.71.3043.