E Elextronburger Member Joined Dec 29, 2020 Messages 14 Reaction score 2 Jan 12, 2021 #1 Hi. How difficult is this exam compare to the 18th edition? Also what study material is needed, what topics are covered in the exam?
Hi. How difficult is this exam compare to the 18th edition? Also what study material is needed, what topics are covered in the exam?