Webgrafía: https://www.foodpack.com.pe/ https://www.facebook.com/ecofreshperu/ https://compuempresa.com/info/food-pack-sac-20416001104 http://www.commondigital.commonperu.com/index.php/miscelaneas/14511-food-pack-lanza-ecopack-nut ritiva-alternativa-para-la-lonchera-escolar https://issuu.com/revistaindustriaalimentaria/docs/revista_industria_alimentaria_33 http://noticias.rse.pe/?p=9354 http://repositorio.ulima.edu.pe/bitstream/handle/ulima/3325/Cordova_Lavado_Isaac.pdf?sequence=1&isA llowed=y Videos: https://www.youtube.com/watch?v=Ehmgweoi2H0 https://www.youtube.com/watch?v=FzsdEn1fDko https://www.youtube.com/watch?v=n27KQOgcwrA https://www.youtube.com/watch?v=tyUQCy8i_dw https://www.youtube.com/watch?v=Egd_OXbTJao