The main problems that affect english students when learning and using phrasal verbs: case of the students of 3° year of the major of modern languages specialty in french and english at the foreign language - Chevez Hernández, Andrea (Tesis para optar al título de – ( Licenciatura en Lenguas Modernas especialidad Ingles y Frances) – Universidad de El Salvador, San Salvador, 2015)
incluye anexos.