The user request specifically mentioned "pdf work." It is important to distinguish between the availability of the work and the legalities involved.
Bastos dedicates significant chapters to the concept of the Constitution itself: its origin, evolution, classification (dogmatic vs. historical, written vs. customary, etc.), and hermeneutics. For legal practitioners, the section on constitutional interpretation (originalism, evolutive interpretation, proportionality) is gold. The user request specifically mentioned "pdf work
Legal professionals and students need more than a physical book. A PDF version of this course offers: classification (dogmatic vs. historical