An abstract is the summary of a paper in a brief and clear way, and it is regarded as the most important part of it.

In discussion part, the findings of the study, and the relevance of them with previously found ones by the other scholars are investigated.

The papers are recalled as the outcome and result of a research.

The results section is aimed at answering the research questions and it might also include the findings which were not available in the hypotheses, being obtained through the study.

The managing editor and editor in chief are different occupations having some overlapped roles.

For any research or study, particular methods and materials are required so that the acceptable and precise results can be obtained.

One of the metrics that determine the scientific level and authenticity of journals is the impact factor.

H-index is an international metric that is designed to promote the measurement indexes including the total number of papers and citations.

Each article is started with an introduction part which includes an overall description of the article and widely, it deals with the variables of the study.