DAFTAR PUSTAKA (Suwarno, Tema 6 cita-citaku, 2010) https://drive.google.com/file/d/0B18mXGGKnIqvQU9vMWlocElkX0k/view https://drive.google.com/file/d/0B18mXGGKnIqvcG52X1JYR1p1eU0/view page 16