Title: Rāingān kānprachum wichākān chalœ̄m phrakīat Somdet Phranāng Čhao Sirikit Phrabō̜rommarāchinī Nāt kap kānʻanurak sapphayākō̜n thammachāt læ singwǣtlō̜m wanthī 5-6 Singhākhom 2547
Description: Conference proceedings on the environmental work of Queen Sirikit of Thailand.