by Investigación Educativa
by Sor Perez
by JAMMEL PEÑA
by Carlos Javier Vera Leon
by Isra V
by Monica Zarate
by Jacob Alvarez
by Diana Florez
by Dario Benavides
by juan sebastián rodríguez sánchez
by DAYANA ROSERO PEÑAFIEL
by Valentina Castaño
by Odalys Prado
by Rita Prado Escanciano
by Paulina Fernández Fiscella
by Lilibeth Fontalvo
by Miguel Azuaje
by Kevin Murillo Reinoso
by Luna Gallego
by Manolo Ares
by Debray yépez
by Yaniris Melenciano
by VelonG Vela
by Dulce Sanchez Carbente
by Prisci Lopez
by Maria de Lourdes Blum Leon
by David Monroy
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by Keyla Marcillo
by jon zking
by **Fernel Pérez** **unKnown**
by ana maria valega parejo
by Sofia Lorena Ga?An Trejos
by damarys cevallos
by EDISON MONTEROS
by AnaStefany Gonzalezjose
by aleja mancilla
by Ariana Vargas Clark
by Marylin Leonor Mayer Casiva
by MIOSOTY TEJEDA
by Ginna Velásquez
by ANGELICA CRISTINA TARAZONA GALAN
by Victor Hugo Mora
by Maria Luisa Perez
by NICOLL MAMANI
by Mailys Ivonne Barzola Garcia
by Valentina Vélez
by Andres Henao
by Yuly Marleny Serna Ramírez
by Monserrat Mosqueda
by José Francisco López Mellado
by Alex Vasquez
by ANTONIO BONILLA
by Dulce Sanchez Carbente
by CARLOS MORILLO
by Oscar Velasquez
by MARIA DEL ROSARIO PEREZ TORRES
by GERMAN AUGUSTO ECHEVERRI GARCIA
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by Andry Montero
by Antonio MUÑOZ
by Mariana Giraldo Marulanda
by diego rodriguez
by Daphne Mendez
by Claudia Orduño
by Aldana Martinez
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by Danna Toscano
by Percy Antonio López Villon
by SOLVEY MILENY RAMOS GARCIA
by Jesús María González Gómez
by Pablo Durán
by MANUEL JESUS SALLO VASQUEZ
by Patricia Arso
by Amaya Ruiz Damas
by Centro geson
by Nicolas Mateus
by John Mejia Hernandez
by Adriana Calapaqui
by Danna Padilla
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by Estefania Carballo García
by Roger Jiménez Entar
by sarita sandoval
by Nancy CollantesU