ENG123: The Harbrace Anthology of Literature, fourth edition, $508 G1 K& k! k; c* x& l
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MATH153: Mathematics of Finance, six edition: $601 T4 q! `+ U/ O. L0 j% T( W! }7 I
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SMO201: understanding management, first edition: $60$ h. q* w: j1 C g( L1 n( q