What cognitive and numerical skills best define learning disabilities in mathematics?

Autores: Rodriguez, C., & Jiménez, J.E. (2016).
Título: What cognitive and numerical skills best define learning disabilities in mathematics?
Ref.Revista: Estudios de Psicología, 37, 115-134.
doi: 10.1080/02109395.2015.1129825
CLAVE: A.