/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: praewwaindy https://cdn.slidesharecdn.com/profile-photo-praewwaindy-48x48.jpg?cb=1523426853 - IM' praewwa/ praew. - studying Science&Math Ability(SMA). - @Khanchai Sch, grade 11, age 17* if u want to be friend with me, please! sms to my inbox. (: