/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: haticesami1 https://public.slidesharecdn.com/v2/images/profile-picture.png I'm wholehearted hope to be part of education process that impact human knowledge & skills, I do my best to be more creative with many interesting different ways to make scientific information attractive, easy to be learned &to be practiced