Discussion
Which of the following is not a primary source ?
Answer: D
The one that is not a primary source is LISA.
Library and Information Science Abstracts is an abstracting service: it summarises and indexes articles already published elsewhere, so it is a secondary source that leads the reader to primary literature.
The others carry original information. A BIS standard lays down a specification for the first time, and standards are classed as primary sources. A NASA report is a technical report presenting research results, another primary source. Library Quarterly is a research journal publishing original papers. Since three of the four are primary, LISA is the odd one out.
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