/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: aweludin https://cdn.slidesharecdn.com/profile-photo-aweludin-48x48.jpg?cb=1523448264 SAYA PINGIN JADI GURU PROFESIONAL, GURU KIMIA YANG DIANCUNGKAN JEMPOL