فهرس المقالات Mojtaba Kolahdoozan المقاله 1 - Finite element investigation and optimization of tool wear in drilling process of difficult-to-cut nickel base superalloy using response surface methodology Mojtaba Kolahdoozan Farhad Azimifar Saeed Rismani Yazdi International Journal of Advanced Design and Manufacturing Technology , العدد 2 , السنة 7 , بهار 2014