TY - JOUR TI - Gis supported optimization of solid waste collection in Trabzon AU - APAYDIN, Ã. AU - ARSLANKAYA, E. AU - AVÅžAR, Y. AU - GÖNÜLLÜ, M.T. JO - Sigma Journal of Engineering and Natural Sciences PY - 2004 VL - 22 SP - 249 EP - 254 DO - ER -