Analysis of the factor that influence the lack of speaking skill in students of tenth grade at Salvador Mendieta Cascante School during the second semester of 2017 - Gutierrez Rodriguéz, Eleana Lisseth | Ruiz Carrión Raúl Isabel, - | Zuniga Hérnandez, Hellen Hayde | Medina Guerrero, Jeyling del Carmen Ruiz Carrión Raúl Isabel - (UNAN, Managua, 2018)