Kanok-Nukulchai, Worsak, ed. (30 September 1994). Investigation Report on Collapse of Royal Plaza Hotel: Executive Summary (Technical report). Engineering Institute of Thailand. pp. XVII–XXII. Available at thaiengineering.comArchived 2015-02-15 at the Wayback Machine.
Kanok-Nukulchai, Worsak, ed. (30 September 1994). Investigation Report on Collapse of Royal Plaza Hotel: Executive Summary (Technical report). Engineering Institute of Thailand. pp. XVII–XXII. Available at thaiengineering.comArchived 2015-02-15 at the Wayback Machine.