المصدر: i need a book in math في منتدى : قسم الرياضيات the book title is Advanced Engineering Mathematics, 9th Edition but i just need the one whith this author by Erwin Kreyszig i tryed avaxhome but it was chineese edition i hope u help me and find a full english edition . if u had atrouble of is the book u can see this link from amazon thanx all