JRSB101 clear and concise communication skill for business 2nd Ed.; f1 ?8 e9 I$ v0 P0 V& g0 O. q0 [
JRSB130 princples of marketing 7th Ed.. |9 v8 A: j7 l. F. ?% X, P
JRSB115 fundamental accounting principles volume2 12th Ed - s+ E% A$ T8 p) }$ ^
Lyyx quickstart