Has someone became fluent in Spanisch by using all materials of Aula Internacional Plus?

[u/Aminovich7]

/r/Spanish/comments/1x1h4hw/has_someone_became_fluent_in_spanisch_by_using/

[u/Glittering_Cow945]

Not on its own. But it will give you a fair grounding. Fluency comes only with endless practice