Silva, Roland Guruge, Ananda W.P.
The Safeguarding of the cultural triangle of Sri Lanka: steady progress and future prospects - Colombo UNESCO [n.d] - 42p.: photos (col.) - Publication; no.31 .
ARCHAEOLOGY-Sri Lanka
HISTORIC SITES-Sri Lanka
902.01(548.7) / S7
The Safeguarding of the cultural triangle of Sri Lanka: steady progress and future prospects - Colombo UNESCO [n.d] - 42p.: photos (col.) - Publication; no.31 .
ARCHAEOLOGY-Sri Lanka
HISTORIC SITES-Sri Lanka
902.01(548.7) / S7