Acknowledgement
본 논문은 대한민국 교육부와 한국연구재단의 지원과(NRF-2021S1A5A8065035), 한국기술교육대학교 고용직업능력개발센터 연구과제(2022-4: 메타버스 직업교육훈련을 위한 NFT 기반의 L&E 모델 적용 방안 연구)의 수행 결과를 토대로 작성되었음.
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