Frank, Christine
Challenge to think / Christine Frank, Mario Rinvolucri, Marge Berer. - 9th impr. - Oxford : Oxford University Press, 1991. - 80 s. : il. ; 25 cm. 10AMe-FraC-Cha
019453250x 9780194532501
Język angielski--studia i nauczanie--zadania i ćwiczenia
Challenge to think / Christine Frank, Mario Rinvolucri, Marge Berer. - 9th impr. - Oxford : Oxford University Press, 1991. - 80 s. : il. ; 25 cm. 10AMe-FraC-Cha
019453250x 9780194532501
Język angielski--studia i nauczanie--zadania i ćwiczenia