div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: · PDF fileDepartment of Physics Professor Dr G M Roushan Ullah Depaffient of Zoology Professor Gias Uddin Ahmed Institute of Forestry and Environmental Sciences src=https:reader031vdocumentinreader031viewer20220305025aaec5dc7f8b9a3a038c8bfchtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: · PDF fileDepartment of Physics Professor Dr G M Roushan Ullah Depaffient of Zoology Professor Gias Uddin Ahmed Institute of Forestry and Environmental Sciences src=https:reader031vdocumentinreader031viewer20220305025aaec5dc7f8b9a3a038c8bfchtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: · PDF fileDepartment of Physics Professor Dr G M Roushan Ullah Depaffient of Zoology Professor Gias Uddin Ahmed Institute of Forestry and Environmental Sciences src=https:reader031vdocumentinreader031viewer20220305025aaec5dc7f8b9a3a038c8bfchtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: · PDF fileDepartment of Physics Professor Dr G M Roushan Ullah Depaffient of Zoology Professor Gias Uddin Ahmed Institute of Forestry and Environmental Sciences src=https:reader031vdocumentinreader031viewer20220305025aaec5dc7f8b9a3a038c8bfchtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: · PDF fileDepartment of Physics Professor Dr G M Roushan Ullah Depaffient of Zoology Professor Gias Uddin Ahmed Institute of Forestry and Environmental Sciences src=https:reader031vdocumentinreader031viewer20220305025aaec5dc7f8b9a3a038c8bfchtml5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 6button div class=ts-image amp-img class=ts-thumb alt=Page 6: · PDF fileDepartment of Physics Professor Dr G M Roushan Ullah Depaffient of Zoology Professor Gias Uddin Ahmed Institute of Forestry and Environmental Sciences src=https:reader031vdocumentinreader031viewer20220305025aaec5dc7f8b9a3a038c8bfchtml5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 7button div class=ts-image amp-img class=ts-thumb alt=Page 7: · PDF fileDepartment of Physics Professor Dr G M Roushan Ullah Depaffient of Zoology Professor Gias Uddin Ahmed Institute of Forestry and Environmental Sciences src=https:reader031vdocumentinreader031viewer20220305025aaec5dc7f8b9a3a038c8bfchtml5thumbnails7jpg width=142 height=106 layout=responsive amp-img divdiv