Bibliographic Basis The bibliography by its content may include informative materials, specialized treatises, methodological proposals, critical essays, analysis for debate, etc.
treatises, methodological proposals, critical essays, analysis for debate, comments and pertinent theoretical references.
The abundance and diversity of the documents collected pose a first task: classification, which will be done on the basis of criteria resulting from the work with the analytical-conceptual structure.analytical-conceptual structure
The textual strata and the bibliographic cards constitute a second basic documentary background, which makes it significant and points to the explanation of the problem posed which makes it significant and points to the explanation of the problem posed.