S. R. Ranganathan puts forth the five laws of library science: " books are for use;"

阮冈纳赞提出了图书馆学五定律：“书是为了用的；

youdao

S. R. Ranganathan puts forth the five laws of library science: " books are for use;"

阮冈纳赞提出了图书馆学五定律：“书是为了用的；

youdao