ID:DA16020834
Ganga Tilakaratna
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Ganga Tilakaratna ... [et al.]
Institute of Policy Studies of Sri Lanka 2008 Research studies . Human resource development series ; no. 5
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Ganga Tilakaratna, Ayodya Galappattige, Thusitha Kumara
Institute of Policy Studies 2006 Research studies Poverty and Social Welfare Series ; no. 8
Ganga Tilakaratna, Upali Wickramasinghe, Thusitha Kumara
Institute of Policy Studies 2005 Research studies Poverty and social welfare series ; no. 7
Sanath Jayanetti, Ganga Tilakaratna
Institute of Policy Studies 2005 Research studies Poverty and social welfare series ; no. 6