Papua New Guinea. Energy Planning Unit. (1981). Energy in Papua New Guinea 1981. Dept. of Minerals and Energy.
Tohutoru Kātū ChicagoPapua New Guinea. Energy Planning Unit. Energy in Papua New Guinea 1981. Konedobu: Dept. of Minerals and Energy, 1981.
Tohutoro MLAPapua New Guinea. Energy Planning Unit. Energy in Papua New Guinea 1981. Dept. of Minerals and Energy, 1981.
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