2015-03-122015-03-12https://dl.nsf.gov.lk/handle/1/17790Social SciencesEducationA Study of the effects of Home and School Environmental Variables on the Language Attainments and Social Development of Children in Top Primary Grades of A Selected Sample of Schools in Sri LankaThesisUniversity of ColomboRG/79/100FR 0916 TM.Phil