MARÍA FERNANDA AGÜERO ESPINOZA2023-08-232023-08-232017-01-01Bach-I-ENS-17013http://repositorio.uia.ac.cr/handle/123456789/781esEXPLORING NATIVE LANGUAGE INTERFERENCE IMPACT ON THE SPEAKING SKILL ACQUISITION OF EFL ADULT LEARNERS IN THE CONVERSATIONAL ENGLISH COURSE AT PURISCAL'S NIGHT TECHNICAL HIGH SCHOOL DURING THE SECOND QUARTER OF 2017Trabajo Final de Graduación