@incollection{, B7377BF9180D6242FD5FB3A426BDA1CD , author={{Dr. Md SaifulIslam} and {Md Kamor UddinSikder} and {BGC Trust University Bangladesh}}, journal={{Global Journal of Computer Science and Technology}}, journal={{GJCST}}0975-41720975-435010.34257/gjcst, address={Cambridge, United States}, publisher={Global Journals Organisation}1321117 } @incollection{b0, , title={{Forests and tree cover}} , author={{ MWilliams }} , booktitle={{Changes in land use and land cover: a global perspective}} , editor={ WB LMeyer & B Turner } Cambridge , publisher={Cambridge University Press} , year={1994} } @book{b1, , title={{The Political economy of soil erosion in developing countries}} , author={{ PBlaikie }} , year={1985} , publisher={Longman} , address={London} } @incollection{b2, , title={{Power, knowledge and political ecology in the third world: a review}} , author={{ RLBryant }} , journal={{Progress in Physical Geography}} 22 1 , year={1998} } @incollection{b3, , title={{Extractive economies in the Brazilian Amazon, 1600-1980}} , author={{ SGBunker }} , journal={{American Journal of Sociology}} 89 , year={1984} } @book{b4, , title={{A forest inventory of the Sunderbans}} , author={{ DRChaffey } and { FRMiller } and { JHSandom }} No. 140 , year={1985} , address={Bangladesh. Main Report, ODA, Land Resources Development Centre, England} , note={Project Report} } @book{b5, , title={{Forestal Forestry and Engineering International Limited}} , year={1966} 5 , address={Vancouver, Canada} , note={Chittagong hill tracts: Soil and land use survey} } @incollection{b6, , title={{Objects of forest management in Bangladesh}} , author={{ AMChoudhury }} , booktitle={{Proceedings of the first Bangladesh National Conference on Forestry}} the first Bangladesh National Conference on ForestryDhaka, Bangladesh , year={1977. February 11-15} 8 }