STATUS-BASED QUALIFICATION CHARACTERISTICS OF THE IT COMPETENCE OF E-MANUALS' DEVELOPERS ESTIMATED BY THE WEBLIOGRAPHIC ANALYSIS OF THE "SCIENCE AND EDUCATION" FUND PUBLICATIONS СтатьяGalkina A.I., Matukhin P.G., Provotorova E.A.Информатизация непрерывного образования - 2018. 2018. С. 378-383