/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: DrMaiHussein https://cdn.slidesharecdn.com/profile-photo-DrMaiHussein-48x48.jpg?cb=1611199360 author of book " Quality Made Easy " 2001 https://docs.google.com/document/d/136eVytvomJ8AAzCjMWV_VPdrJ69WSA5jPME-4ZZJM5k/edit feel free to use from it but pls refere to it.