المؤلفون: Ketty Alarcon Ramirez, Luis Alberto Barriga Roa, Wilson Guerra Sangama, Mia Lucia Guillen Guevara, Claudia De Jesus Morales Aquituari, Josefrank Pernalete Lugo, Judith Elena Vásquez Dorado

Relation: https://doi.org/10.17613/3tc9-7e64

الاتاحة: https://doi.org/10.17613/3tc9-7e64