The phrase "theoretical sources" is correct and usable in written English.
It is typically used to refer to sources that are primarily based on theories or ideas rather than facts or evidence. For example, "My research paper will primarily rely on theoretical sources such as scholarly journals and books on the subject."
These theoretical sources remain embedded in Eisenman's approach.
On July 1st Alistair Darling, the social security secretary, revealed plans to sort it out.There are three theoretical sources of child support: the mother; the father; or other taxpayers, many of whom are mothers or fathers themselves.
The items of the questionnaire and their theoretical sources are mentioned in Table 2.
Then, we analyzed the theoretical sources of error from rigid body posture measurement system simulation experiments.
Table 2 gives a non-exhaustive list of primary theoretical sources that were used to draw overarching themes using deductive knowledge, and accompanying inductive findings from the data.
The interesting thing about this principle of autonomy or "respect for persons" is that it seems to have been cobbled together from a variety of theoretical sources (Beauchamp 2007).
A contributor as a polemical writer to the Guardian and Frieze magazine, Suchin here presents not only the finished artworks and sketchbook evidences of their creation, but also much of his art's historical and theoretical source material.
The theoretical source duration is calculated from the estimated parameters (Table 1) using Eq. (2).
For jet noise at small Helmholtz numbers results of a theoretical source model have been compared with measured data.
As a theoretical source of accountability, these cameras are invaluable, but as usual we are more likely to learn that through the publication of criminal acts rather than the confirmation of virtuous ones.
Figure 4 shows that the theoretical source duration calculated from the estimated parameters (Table 1) using Eq. (2) explains well the observed source duration.
