Mining (Ok Tedi Second Supplemental Agreement) Act 1981 [100%]
(From Papua New Guinea Consolidated Legislation; 1 January 1981; 8 KB)   

Mining (Ok Tedi Second Supplemental Agreement) Act 1981 [77%]
(From Papua New Guinea Consolidated Legislation; 3 KB)   

Mining (Ok Tedi Mine Continuation (Ninth Supplement) Agreement Act 2001 [2%]
(From Papua New Guinea Consolidated Legislation; 25 KB)   

Papua New Guinea National Gazette, No. G6 (31 January 1985) [2%]
(From Papua New Guinea Government Gazettes; 232 KB)