This is to certify that Ms. Petcharat Horsirikul and Ms. Nuttinee Siriwittayacharoenis a 2nd year student majoring in Accounting, BBA International Program, Faculty of Commerce and Accountancy, Chulalongkorn University. Ms. Petcharat and Ms. Nuttinee has an interest and intention to gain experience in doing an internship at your esteemed organization during June 3 – July 26, 2013.