Kumar V. 
RUDN University; Университет График Эра
Moscow, Russian Federation; Dehradun, India
Kumar V. --- PhD, Senior Researcher, RUDN University (Miklukho-Maklaya ul. 6, Moscow, 117198 Russian Federation); Researcher, Graphic Era (Deemed to be University) (Uttarakhand, Dehradun, 248002 India).
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