American kernel lessons : intermediate / Robert O'Neill ... [et al.] ; [situations illustrated by Pamela Baldwin Ford, episodes illustrated by Robert Boger].
— New York : Longman, 1978. vii, 152 p. : il. ; 26 cm. — (Longman American English)
PRESTAMO PERMANENTE CATEDRA INGLES.
Contenido: Student's book and teacher's manual
ISBN 0582797063
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