Curso de lengua bue (uitoto) = Kai̳ murui uai yofuerabe /

ανά Becerra, Eudocio,, Petersen de Piñeros, Gabriele,
Έκδοση 2014

B2 skills training : the six, themed units give you extensive skills practice to up your level or prepare your exams /

ανά Douglas, Elisabeth S.,, Girimonti, Silvia,, Samuel, Julia,
Έκδοση 2019

B1 skills training : the six, themed units give you extensive skills practice to up your level or prepare your exams /

ανά Douglas, Elisabeth S.,, Girimonti, Silvia,, Samuel, Julia,
Έκδοση 2019

C1 skills training : the five, themed units give you extensive skills practice to up your level or prepare your exams /

ανά Douglas, Elisabeth S.,, Girimonti, Silvia,, Samuel, Julia,
Έκδοση 2019

B1 speaking skills : the six, themed modules give you non-stop speaking practice /

ανά Douglas, Elisabeth S.,, Girimonti, Silvia,, Samuel, Julia,
Έκδοση 2019

B2 speaking skills : the six, themed modules give you non-stop speaking practice /

ανά Douglas, Elisabeth S.,, Girimonti, Silvia,, Samuel, Julia,
Έκδοση 2019

C1 speaking skills : the five, themed modules give you non-stop speaking practice /

ανά Douglas, Elisabeth S.,, Girimonti, Silvia,, Samuel, Julia,
Έκδοση 2019