duration
type: Concept
preferred label: مدت @fa
related: information obsolescence

information obsolescence
type: Concept
alternative label: ENVEJECIMIENTO DE LA INFORMACION
broader: bibliometrics
preferred label: کهنگی اطلاعات @fa
related: duration
related: information

bibliometrics
type: Concept
narrower: information obsolescence
preferred label: کتاب‌سنجی @fa

information
type: Concept
preferred label: اطلاعات @fa
related: information obsolescence