TY  - BOOK
AU  - Chaliha,  Hirainya kumar
TI  - Paribesh adhyayan
SN  - 97981921469311118
U1  - 333.707 PAR 
PY  - 2007///
CY  - Kuwaritol, Nagaon
PB  - Kaliabor mahabidyalaya vigyan mancha
N1  - Includes bibliographical references
ER  -