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I found your power points very informative and it's very helpful in assisting me as am preparing for the ARRT. am new to this channel and would like the name of the book that you are using to teach. and where can I purchase such book. thank you
Do you provider consulting services as well?
![เจ็บที่ยังฮัก - ม่อน วรวิทย์ [ Official Mv ] จอนนี่มิวสิค](http://i.ytimg.com/vi/KALIGSRSjFs/mqdefault.jpg)
I found your power points very informative and it's very helpful in assisting me as am preparing for the ARRT. am new to this channel and would like the name of the book that you are using to teach. and where can I purchase such book. thank you
Do you provider consulting services as well?