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    Subject Selections 2012

    BUSS1030 - Accounting, Business and Society ECMT1010 - Business and Economic Statistics A ECON1002 - Introductory Macroeconomics ECON1001 - Introductory Microeconomics ECMT1020 - Business and Economic Statistics B WORK1003 - Foundations of Work and Employment MKTG1001 - Marketing...
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    How to calculate ppm???

    What is ppm???still don't know how to calculate it ! only thing i know is mg/L, and it is a ratio....
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