K.Kadirgama, K. , M.M.Noor, M. , Abou-El-Hossein, K. , H.H.Habeeb, H. , Rahman, M. , B.Mohamad, B. , Bakar, R. (2010). 'Effect of Dry Cutting on Force and Tool Life When Machining Aerospace Material'. World Academy of Science, Engineering and Technology, Open Science Index 47, International Journal of Aerospace and Mechanical Engineering, 4(11), 1222 - 1226.