List of Articles Shayessteh Dadfarnia Article 1 - Spectrophotometric simultaneous determination of nickel, cobalt and copper by orthogonal signal correction–partial least squares Shayessteh Dadfarnia Masoud Rohani Moghadam Ali Mohammad Haji Shabani Jahanbakhsh Ghasemi Journal of the Iranian Chemical Research , Issue 5 , Year , Autumn 2012