TY - JOUR TI - Pelletization of pyrite ash wastes for utilization in iron production industry AU - TUĞRUL, N. AU - MÖRÖYDOR DERUN, E. AU - PİŞKİN, M.B. AU - PİŞKİN, S. JO - Sigma Journal of Engineering and Natural Sciences PY - 2005 VL - 23 SP - 118 EP - 125 DO - ER -