☢️ NPO

Non-Participant Observation

⊿ Point. {R} Glossary. ◢ Keyword: N. ◥ University. {q} PhD. {tr} Training. ⚫ UK. ↂ EndNote. ☢️ Part Obs. ☢️ OPO. ☝️ Weerakkody. ☝️ [BS] Heigham.