/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: markjeffersonfrias https://cdn.slidesharecdn.com/profile-photo-markjeffersonfrias-48x48.jpg?cb=1523393993 ...simple lang aq....... ...im mark jefferson natal frias studying in marinduque state college taking up electrical engr