/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: varshinisirpi https://cdn.slidesharecdn.com/profile-photo-varshinisirpi-48x48.jpg?cb=1727070120 Done with only two national level paper presentation.... Want to learn more n more achieve asap....PhD by d tym m 27