00744nam a2200241Ia 4500 278885 OCoLC 20160527195631.0 990611s2004 pr a 000 0 spa d 0034369232 PIF PIF OCLCQ nwpr--- Arecibo - PUXA PE1129.S8 M35 1997 415 M244m4 Maldonado, Gloria. Local 129922 Mastering English Gloria Maldonado, Carmen Mercado. 4. ed. Puerto Rico Editorial Panamericana 2004. 250 p. col. ill. 28 cm. English language Study and teaching Puerto Rico Spanish speakers. Local 92110 Mercado, Carmen. Local 135362 200479 200479 0 0 ddc 0 415_000000000000000_M244M4 0 abpr 277471 1 1 B 2016-05-27 Libromar 42.95 400252 0 415 M244m4 60000010022652 2016-05-27 00:00:00 r:278885 23