https://repository.poltekkes-kaltim.ac.id/657/1/Diagnostic%20and%20statistical%20manual%20of%20mental%20disorders%20_%20DSM-5%20(%20PDFDrive.com%20).pdf https:/

https://repository.poltekkes-kaltim.ac.id/657/1/Diagnostic%20and%20statistical%20manual%20of%20mental%20disorders%20_%20DSM-5%20(%20PDFDrive.com%20).pdf https://repository.poltekkes-kaltim.ac.id/657/1/Diagnostic%2... page 271 This is almost certainly the definition they are using as it is the standard definition when dealing with psychological illness in any serious context