TY  - BOOK
AU  - à¦¹à§à¦¸à§à¦¨,à¦®à§à¦ à¦à¦²à¦®à¦à§à¦°
TI  - à¦à¦¨à¦­à¦¾à¦¯à¦¼à¦°à¦¨à¦®à§à¦¨à§à¦à¦¾à¦² à¦à¦à§à¦à¦¿à¦¨à¦¿à¦¯à¦¼à¦¾à¦°à¦¿à¦ -à§§ (Environmental engineering-1)
U1  - 628 19
PY  - 1999///
CY  - Bangladesh
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KW  - Environmental engineering
N1  - Includes bibliographical references and indexes
ER  -