samajtattwa parichay aru samajbodh (pratham barshikar babe) Saikia, Utpal creator author Saikia, Mridul author text ii Dibrugarh Banalata 2010 1st ed. monographic asm 238p. general by Utpal Saikia and Mridul Saikia Sociology for class XI Sociology & anthropology Sociology for HS 1st year 301 SAI 9788173394874 IN-DiNC 150813 20230909154856.0