bibliographic services
preferred label: خدمات کتاب‌شناختی @fa
type: Concept
related: retrospective search services

information retrieval
preferred label: بازیابی اطلاعات @fa
type: Concept
related: retrospective search services

retrospective search services
alternative label: SERVICIOS DE PREGUNTA RESPUESTA
related: bibliographic services
related: information retrieval
broader: information services
preferred label: خدمات جستجوی گذشته‌نگر @fa
type: Concept

information services
preferred label: خدمات اطلاعاتی @fa
type: Concept
narrower: retrospective search services