Dr. Omala Perera
Senior Lecturer - Department of Geography, Faculty of Arts University of Colombo
The Seventh Billion- Issues and Concerns with regard to Global Situation
Mr. H.K.N.K. Karunarathne Felicitation Volume, Department of Geography, University of Colombo
Publication year: 2013
The Seventh Billion- Issues and Concerns with regard to Global Situation (2013) Mr. H.K.N.K. Karunarathne Felicitation Volume, Department of Geography, University of Colombo
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