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  • The calculus of happiness

    Oscar E. Fernandez

    How math holds the keys to improving one’s health, wealth, and love lifeWhat’s the best diet for overall health and weight management? How can we change our finances to retire earlier? How can we maximize our chances of finding our soul mate? In The Calculus of Happiness, Oscar Fernandez shows us...

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    $16.95
    $16.95 $16.95