Sell 2010 winter and summer 用过的书(送资料) Comm 220 Microeconomics 7th edition and Pearson $20 220 Pindyck Study Guide 7th , very useful Person $ 15 (一起买$ 30) COMM 225 CUSTOM OPERATIONS MANA HEIZER $20 COMM 215 Student Solution $ 10
( For Statistics for Business and Economics 10th ) COMM 212 Course Notes prepared by Mary Silas $6