The 3rd Alternative - STE_S-004 761-U-35

Penerbit Gramedia, Rak U, Stephen R Covey, The 3rd Alternative, 

The 8th Habit - STE_S-003 119-U-34

Penerbit Gramedia, Rak U, Stephen R Covey, 

First Thing First - STE_S-002 094-U-09

Penerbit Gramedia, Rak U, Stephen R Covey, 

7 Kebiasaan Manusia yang Sangat Efektif - STE_S-001 089-U-04

Penerbit Binarupa Aksara, Rak U, Stephen R Covey,