papers is a form of:

Investigation



noun
1.
~ (into something) (an investigating, a careful examination, search, study, scrutiny, probe) ការស៊ើបអង្កេត, សមេសនា, ការស្វែងរកដោយខ្ជាប់ខ្ជួន, ការស្រាវជ្រាវ, ការស្វែងរក
Example: An investigation of the accident.
Example: The matter is under investigation.
2.
(បច្ចេកទេស) ការស៊ើបអង្កេត
ENGLISH MEANING
noun
1.
The act of investigating; the process of inquiring into or following up; research; study; inquiry, esp. patient or thorough inquiry or examination; as, the investigations of the philosopher and the mathematician; the investigations of the judge, the moralist.
1.
examination, exploration, inquiry, interrogation, query, quest, question, research, scrutiny
1.
disregard, inactivity, inattention, negligence