LEADER | 00552nam a22001811a 4500 | ||
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001 | 000049791 | ||
005 | 20120322150005.0 | ||
008 | 080728s1977 nyua 000 0 spa d | ||
020 | |a 0278499279 | ||
040 | |a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica | ||
082 | 0 | 4 | |a 428 |b E58en |
245 | 0 | 0 | |a English for international communication / |c Richard C. Yorkey... |h [et al]. |
260 | |a New York : |b American Book , |c 1977. | ||
300 | |a 3v. : |b il. ; |c 23 cm. | ||
490 | |a InterCom | ||
650 | 0 | 4 | |a INGLES |
650 | 0 | 4 | |a ENSEÑANZA |
700 | 1 | |a Yorkey, Richard C. |