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บรรณานุกรม
US.ARMY.(1945) . TM 5 - 295 MILITARY WATER SUPPLY AND PURIFICATION.
WASHINGTON ,D.C. : UNITED STATES GOVERNMENT PRINTING OFFICE.
------------.(1967) . TM 5 - 700 FIELD WATER SUPPLY . WASHINGTON ,D.C. :
DEPARTMENT OF THE ARMY.
