Alsa’ady, D.A.A. and Gholam, D.M.K. 2018. The effect of additives on the linear thermal expansion of Phosphate-bonded investment. Mustansiria Dental Journal. 5, 1 (Mar. 2018), 7–13. DOI:https://doi.org/10.32828/mdj.v5i1.496.