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which one is more popular to work in the department or to work at the department? why? the notion of department seems quite abstract so at whould fit here better...
which one is more popular to work in the department or to work at the department? why? the notion of department seems quite abstract so at whould fit here better...
You work in OR within a department [in a company or a university], unless you are referring to a government body, in which case you work at the [Department of Housing]
at/in (the) department 
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