Babar, B.Z. , Mehreen Imran, Hafiz Muhammad Raza, Atta Elahi, Zia Ur Rehman and Aiman Khan 2019. A COMPARATIVE IN-VITRO STUDY ON WEIGHT CHANGE OF CONVENTIONAL GLASS IONOMER, RESIN MODIFIED GLASS IONOMER CEMENT AND COMPOSITE RESIN. JOURNAL OF KHYBER COLLEGE OF DENTISTRY. 9, 04 (Dec. 2019), 76–82. DOI:https://doi.org/10.33279/jkcd.v9i04.447.