=LDR 00000nam 2200000 4500 =001 NUTBA000000000001477 =005 20140429101947.0 =006 =007 =008 =035 ##$$a 0010-041400000000747 =082 ##$$a 158.1-leo-s =100 ##$$a David Leonhardt =245 ##$$a 9 kebiasaan menggapai kebahagiaan tertinggi =260 ##$$a Tangerang $b Binarupa Aksara $c 2007 =300 ##$$a 309 hlm $c 23 cm