際際滷shows by User: alokechatterjee9843 / http://www.slideshare.net/images/logo.gif 際際滷shows by User: alokechatterjee9843 / 際際滷Share feed for 際際滷shows by User: alokechatterjee9843 https://cdn.slidesharecdn.com/profile-photo-alokechatterjee9843-48x48.jpg?cb=1523602683 Ph.D,Ch.Engnr, MSc in paper technology,MBA,42 yrs exp.