成本控制过程中的指导性文件是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25977' and id < 2180364 and id<>'2180364' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25977' and id > 2180364 and id<>'2180364' order by id asc limit 5