Hugo Lisboa Cáceres and Diego González. 2024.
 Android application prototype for treble clef solfège lessons intended for beginner students of music language courses, suitable for internal and external conservatory practices. In <em>Proceedings of the 21st Latin American Congress on Free Software and Open Technologies</em>, November 27, 2024, Foz do Iguaçu/PR, Brasil. SBC, Porto Alegre, Brasil, 239-245. DOI: <a href="https://doi.org/10.5753/latinoware.2024.245723">https://doi.org/10.5753/latinoware.2024.245723</a>.