Salleh, M., M. Omar, J. Syarif, and M. Mohammed. “Thermodynamic Modelling on the Mutual Effect of Copper, Manganese and Iron Addition in Al-Si-Cu For Semisolid Processing”. Journal of Asian Scientific Research, vol. 2, no. 11, Nov. 2012, pp. 614-9, https://archive.aessweb.com/index.php/5003/article/view/3403.