How to check the literature type

See the references: general books [M], journal articles [J], newspaper articles [N], papers [C], dissertations [D], reports [R], standards [s], patents [P], databases [DB], computer programs [CP], electronic bulletin [EB] and so on.

When searching in the literature database, there are literature types:

The following figure is the search paper page in HowNet.

The database of Science Network searches for information about foreign literature. For example, the following document types display recurring documents:

Which database is the best for senior professional title evaluation papers?

This paper discusses how to use attribution theory to help students attribute correctly and how to use attribution theory to help students improve their academic performance.

2000 words of college students' situation and policy papers

What should I do if the mechanical keyboard keys are rather astringent?

Ye Wei's thesis

Superheterodyne paper

The Love Story of Gloves X Operating Room

Famous writer

Ma Yun Unmanned Supermarket (Ma Yun creates a new retail model in the future-unmanned supermarket)

Why can graffiti culture become a special cultural symbol for writing urban history?