환경보건학위한 PK 단기과정 1-1: PK의 주요 개념, 추천교재, 환경보건에서 필요한 이유

Round-14 hunt: picked; source: named-course long-video search (r14); channel screens (sellers/exam/re-upload/devotional/vendor/events), provenance check, vendor/seller/devotional recheck and quality tier B passed; strict per-title check + final strict pass; oEmbed verified.

A 16-minute video from 김성균: “환경보건학위한 PK 단기과정 1-1: PK의 주요 개념, 추천교재, 환경보건에서 필요한 이유”.

Video by 김성균, played through YouTube's embedded player.