Piyabhorn Kongsaengphak. (2023) A comparative study of the usage of Russian vocabulary and foreign language vocabulary in social, economic and political aspects in modern Russian language through a usage of a Russian online newspaper ??????????? ??????? (Rossiyskaya gazeta) in the 21st century (year 2016-2020). <i>วารสารศิลปศาสตร์</i>, <i>23</i>(2), 708-736.Piyabhorn Kongsaengphak. "A comparative study of the usage of Russian vocabulary and foreign language vocabulary in social, economic and political aspects in modern Russian language through a usage of a Russian online newspaper ??????????? ??????? (Rossiyskaya gazeta) in the 21st century (year 2016-2020)". วารสารศิลปศาสตร์ 23 (2023):708-736.Piyabhorn Kongsaengphak. A comparative study of the usage of Russian vocabulary and foreign language vocabulary in social, economic and political aspects in modern Russian language through a usage of a Russian online newspaper ??????????? ??????? (Rossiyskaya gazeta) in the 21st century (year 2016-2020). คณะศิลปศาสตร์ มหาวิทยาลัยธรรมศาสตร์:ม.ป.ท. 2023.