/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: a3ridho https://cdn.slidesharecdn.com/profile-photo-a3ridho-48x48.jpg?cb=1584841655 The subjects that are delivered: Earthquake Engineering, Building Material and Structural analysis. http://www.betonkuyanghijau.wordpress.com