TY - BOOK ED - International Campaign for the Preservation and Presentation of Sukhothai TI - Final report: fourth session of the working group for the international campaign for the preservation and presentation of Sukhothai U1 - 771.558 PY - 1987/// CY - Sukhothai PB - UNESCO KW - Parks KW - Thailand N1 - Convened by the Thai Government in co-operation with UNESCO ER -