Soundwaves.

Format: Open Shelf
Published: New York: Mcgraw Hill Higher Education, 2008.
Subjects:
Physical Description: 1 teacher's guide (vii, 142 p. : ill., 30 cm.), 1 student book (v, 116 p. : ill., 30 cm.), 1 test vook (ix, 198 p. : ill., 30 cm.), 8 sound discs (4/34 in.).
ISBN: 9780071085106