Bibliografi : hlm. 364-382
No Inv.: 11002/P/Perp/98/1c~102075-102080/P/Perp/05/6c
Judul asli : "How to Get to the Top"
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No Inv.: 2216-2220/P/Perp/92/5c~77601/S/01/1c
No Inv.: 8385-8389/P/Perp/92/5c
No Inv.: 4680-4684/P/Perp/92/5c