Strong Equivalence Principle: Violations without Failure a PPN Classroom Framework with a Brans–Dicke Counterexample . Schrödinger: Journal of Physics Education, [S. l.], v. 6, n. 4, p. 240–247, 2025. DOI: 10.37251/sjpe.v6i4.2174. Disponível em: https://cahaya-ic.com/index.php/SJPE/article/view/2174. Acesso em: 25 may. 2026.