/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: PatyBriones https://cdn.slidesharecdn.com/profile-photo-PatyBriones-48x48.jpg?cb=1524528818 Maestra de quimica y biologia en CECYTEC Plantel Acuna Coahuila