The Cortina method intended for self-study and for use in schools; Spanish in twenty lessons with a system of articulation, based on English equivalents, for acquiring a correct pronunciation,

Mode of access: Internet.

The Cortina method intended for self-study and for use in schools; Spanish in twenty lessons, with a system of articulation, based on English equivalents, for acquiring a correct pronunciation,

Mode of access: Internet.

Improving language arts instruction in the elementary school

Mode of access: Internet.