A psychological study to investigate the usability of laughter therapy to develop the memory of school children

Karunaratne, R.M.G.2014-10-292014-10-2920122012http://repository.kln.ac.lk/handle/123456789/724otherMemoryPsychologySchool children-Sri LankaLaughter (psychology)A psychological study to investigate the usability of laughter therapy to develop the memory of school childrenThesis