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Business models for media firms : does competition matter for how they raise revenue?
Kind, Hans Jarle, (2009)
Behavioural Study on Advertising and Marketing Practices in Online Social Media : Final Report
(2018)
Report from the commission to the council and the European parliament on Consumer complaints in respect of distance selling and comparative advertising : (Article 17 of Directive 97/7/EC on distance contracts and Article 2 of Directive 97/55/EC on comparative advertising)
(2000)
Is Russia winning in Central Asia?
Spechler, Martin C., (2009)
Perspectives in economic thought
Spechler, Martin C., (1990)
Quality in the tenth five-year plan
Spechler, Martin C., (1976)