welcome hello phdlao and welcome to wikipedia thank you for your contributions i hope you like the place and decide to stay here are some pages that you might find helpful the five pillars of wikipedia tutorial how to edit a page and how to develop articles how to create your first article using the article wizard if you wish manual of style i hope you enjoy editing here and being a wikipedian please sign your messages on discussion pages using four tildes this will automatically insert your username and the date if you need help check out wikipedia questions ask me on my talk page or ask your question on this page and then place help me before the question again welcome talk email