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A theory of the availability and level of consumer protection in online and mobile payments for public economic services
Ionescu, Luminiţa, (2013)
Broadening the focus of public service consumerism
Powell, Martin, (2010)
Konsument na rynku e-usług w krajach Europy ´Srodkowo-Wschodniej
Dąbrowska, Anna, (2010)
Government Services for consumers
Corr, Francis A., (1975)