Sach hay

1. Power of positive no (cach noi khong): tien thoai luong nan giua quyen luc va quan he -> 3 chu T: thoa hiep, tan cong, tranh ne => tao ra nhung gi ta muon, bao ve cai gi coi trong, thay doi cai khong dung

2. No MBA

3. Dam phan giai phong con tin