L. Shashikumar Sharma และ Trinankur Dey. (2022) A Bibliometric Study on Tourism and its Relation to the Covid-19 Pandemic during 2020 to 2021. <i>Thammasat Review</i>, <i>25</i>(2), 46-63.L. Shashikumar Sharma และ Trinankur Dey. "A Bibliometric Study on Tourism and its Relation to the Covid-19 Pandemic during 2020 to 2021". Thammasat Review 25 (2022):46-63.L. Shashikumar Sharma และ Trinankur Dey. A Bibliometric Study on Tourism and its Relation to the Covid-19 Pandemic during 2020 to 2021. Research Administration Division:ม.ป.ท. 2022.