تجسس نگهبانی
preferred label: sentinel surveillance @en
type: Concept
broader: تجسس

تعقیب
preferred label: follow up @en
type: Concept
broader: تجسس

نقشه بردارى‌ها
preferred label: surveys @en
type: Concept
related: تجسس

فنون
preferred label: techniques @en
type: Concept
narrower: تجسس

تجسس
narrower: تعقیب
narrower: تجسس نگهبانی
related: نقشه بردارى‌ها
broader: فنون
preferred label: surveillance @en
type: Concept