本帖最后由 vivian930 于 2012-5-1 15:41 编辑 , t6 i+ q: g5 s# i8 T8 Z % c3 q1 I& e$ ?2 \( AJRSB 250 + Magal textbook( paper copy and electronic version) $40 3 _% @2 U& a: G! a 3 M) Y& O8 C* T5 u7 R/ e I9 @5 EYou need these 2 books to take JRSB 250 this course, and both of them are new version.8 M* x) D" G" ~