Lokuliyana, D.R.K.Perera, J.A.J.Gunawardane, R.P.2010-07-062010-07-061988Journal of the National Science Council of Sri Lanka, 16(1):p.53-65https://dl.nsf.gov.lk/handle/1/5889Ceramic industryPhysical propertiesChemical analysisHeat treatmentChemical technologyStudies on the production of plaster of paris from discarded mouldsArticle