The National Repository of Online Courses (NROC) is a financially self-sustaining non-profit organization built around OER with multiple streams of revenue.
全国在线课程知识宝库(NationalRepositoryofOnline Courses,NROC)是一个以oer为中心设立的非营利组织，有多个收入来源，财政自给。
The National Repository of Online Courses (NROC) is a financially self-sustaining non-profit organization built around OER with multiple streams of revenue.
全国在线课程知识宝库(NationalRepositoryofOnline Courses,NROC)是一个以oer为中心设立的非营利组织，有多个收入来源，财政自给。
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