Siam in trade and war :  royal maps of the nineteenth century / 
Narisa Chakrabongse ... [et al.] 
 - Bangkok :  River Books,  2006 
 - 88 p. :  ill., maps ;  28 cm. 
<br/><br/>[Reference] : p. 74 
<br/><br/><label>ISBN: </label>9749863267  RM102.50 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Thailand--Commerce--History--Sources<br/>Thailand--Maps<br/>Thailand--History--Sources