Coal power versus hydro power /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Hill, T. H.
Ngā kaituhi rangatōpū: National Broadcasting Commission of Papua New Guinea, Papua New Guinea University of Technology Dept. of Electrical & Communication Engineering
Hōputu: Pukapuka
I whakaputaina: 1981.
Ngā marau:
Hydroelectric power plants.
Coal-fired power plants.
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