/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: CarlosCesarAranda https://cdn.slidesharecdn.com/profile-photo-CarlosCesarAranda-48x48.jpg?cb=1523169763 I hold PhD in Science, I am a clasicc argentinian, now living in Canada...I have my proper research company blueangelnavire.jimdo.fr