The paper work of TSKI I cleared. Now, I use system account of company instead of the oldest system. I can do and prepare all document to give Mr.Peree & Mr.Thammanoon for to do BS of the monthly reports on schedule. When have the doubt. I ask from expert and leader team alway.
Free time, I am tried to learn and search about account system by getting the information from book, internet, asking for the advices from colleague.