Mayer G. V., Demkin V.P., Rudenko T.V., Ershov Yu.M. «AUDIENCE OF cognitive TV CHANNELS: RESEARCH HYPOTHESES AND METHODOLOGICAL APPROACHES» // Open and distance education 2012. №4 (48) C.5-10
Ershov Yu.M. «Audience of the future: a long-range outlook of educational broadcasting» // 2009. №2 (6) C.101-108
