Perera, Sunil Sarath
පරිසරය සහ සන්නිවේදනය [Text - Sinhala] = Parisaraya saha sannivedanaya = Perera, Sunil Sarath - Battaramulla Ministry of Forestry & Environment 1999 - 144 p. ill. 21cm.
Text in Sinhala
9789559120070
Social Sciences
302.2 / PER
පරිසරය සහ සන්නිවේදනය [Text - Sinhala] = Parisaraya saha sannivedanaya = Perera, Sunil Sarath - Battaramulla Ministry of Forestry & Environment 1999 - 144 p. ill. 21cm.
Text in Sinhala
9789559120070
Social Sciences
302.2 / PER