Daniel Pérez-Morera, Enrique Vílchez-Lizano, Keilor Rodriguez-Artavia, Christian Quesada-López, and Marcelo Jenkins. 2026. An Empirical Study of LLM-Based Source Code Quality Assessment under ISO/IEC 5055:2021. In Anais do XXIX Congresso Ibero-Americano em Engenharia de Software, maio 11, 2026, Recife/PE, Brasil. SBC, Porto Alegre, Brasil, 46-60.