| 000 | 00418nam a2200133Ia 4500 | ||
|---|---|---|---|
| 999 |
_c87366 _d87366 |
||
| 005 | 20220215085100.0 | ||
| 008 | 180710s9999 xx 000 0 und d | ||
| 082 |
_a338.4791 _bNAT _223 |
||
| 100 | _aNational science council of Sri Lanka | ||
| 245 | 4 | _aThe Role of tourism in social and economic development of Sri Lanka | |
| 260 |
_aColombo _bNational science council of Sri Lanka _c1978 |
||
| 300 | _a63 p. | ||
| 942 | _cR | ||