good afternoon everybody. let me introduced myself. my name is jirapha kesanut. today i talk about... my purpose today is to there are three main point in the presentation first second third i'm happy to take any questions after that ok. now, let go
good afternoon everybody. let me introduced myself. my name is jirapha kesanut. today i talk about... my purpose today is to there are three main point in the presentationfirstsecondthirdi'm happy to take any questions after thatok. now, let go