Bhutia, Samten Doma Emergence of Feudal Mode of Production in Sikkim PhD Vijay Kumar Tangellapali - Gangtok: Sikkim University, 2021. - 209p. - Department of History . English Subjects--Topical Terms: Feudal Mode.Sikkim.Aristrocracy class. Dewey Class. No.: 333.3220954167 / BHU/E