TY - JOUR AU - یوسفی, KH. AU - زبرجد, S.M AU - وحدتی خاکی, J. TI - Taguchi Statistical Method to Optimize the Experimental Conditions for the Nano Hydroxyapatite Production by Sol – Gel Method JO - journal of New Materials VL - 4 IS - 5 SP - 1 EP - 10 PY - 2014 DO - ER -