00580nam a2200157Ia 4500008004100000020001800041041000800059082002200067100002000089245017400109260004100283300002500324546002200349650003700371650001400408160718t2009    xxu    gr     000 0 eng u  a9780061583254  aeng04a158.1 bR81h 2211 aRubin, Gretchen14aThe hapiness project :bor why I spent a year trying to sing in the morning, clean my closets, fight right, read Aristotle, and generally have more fun /cGretchen Rubin3 aNueva York :bHarper Collins,c2009.  axviii, 315 páginas  aTexto en inglés 4aAutorealización xPsicología 4aFelicidad