TY - BOOK TI - Analysis of the effectiveness of the 2009 curriculum in terms of the acquisition of the English language skills of eleventh grade students at Rigoberto López Pérez Institute in the first semester of 2015. AU - Ojeda Chávez, Jhara Adriana PY - 2016 LA - Español LA - Español UR - http://repositorio.unan.edu.ni/3111/ UR - http://repositorio.unan.edu.ni/3111/1/1570.pdf UR - http://repositorio.unan.edu.ni/3111/7/88x31_cc.png ER -