Masalah Pokok Perekonomian Modern
https://www.youtube.com/watch?v=8qDqbjQLbhk
Postingan
Materi Bank
https://www.youtube.com/watch?v=PpPAgKgrWkQ LECTORA BANK: https://drive.google.com/file/d/0Bz3LC-bJJ9ZaTlZmT2hyalBTRG8/view?usp=sharing