ID:DA16020980
Thusitha Kumara
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Ganga Tilakaratna, Ayodya Galappattige, Thusitha Kumara
Institute of Policy Studies 2006 Research studies Poverty and Social Welfare Series ; no. 8
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Ganga Tilakaratna, Upali Wickramasinghe, Thusitha Kumara
Institute of Policy Studies 2005 Research studies Poverty and social welfare series ; no. 7