කසළ අපවහනය සඳහා යොදා ගත හැකි අඩු වියදම් තාක්ෂණික විකල්ප (kasala apawahanaya sandhaha yoda gatha haki aduviyadam thakshanika vikalpa)
Language: Publication details: Naional Water Supply and Dranage Board Ratmalana; 1984Description: 13pSubject(s):Item type | Current library | Collection | Call number | Status | Date due | Barcode | |
---|---|---|---|---|---|---|---|
NSLRC BOOKS | National Science Library & Resource Center On display | NSLRCB | Staff collection | NSLRC184549 |
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