Territory of Papua and New Guinea
Bureau of Statistics
[1969-
no. 20 , no. 21 , no. 22 , no. 23 , no. 24 , no. 25 , no. 26 , no. 27 , no. 28 , no. 29 , no. 30 , no. 31 , no. 32 , no. 33 , no. 34 , no. 35 , no. 36 , no. 37 , no. 38
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