United Nations, .
Economic Survey of Asia and the Far East 1971 / - 1st ed / - Bangkok : Economic Bulletin for Asia and the Year East , 1994 - p160 :
Economy Survey
X.4.9Eot9B`N71t4 / L1
Economic Survey of Asia and the Far East 1971 / - 1st ed / - Bangkok : Economic Bulletin for Asia and the Year East , 1994 - p160 :
Economy Survey
X.4.9Eot9B`N71t4 / L1