Buku yang Dikarang by Robert Jacobi

The Common Sense Approach to Management

Jarzen Tadel - Echoes of Destiny

Jarzen Tadel Echoes of Freedom

Jarzen Tadel - Echoes of Alchemy

Jarzen Tadel Echoes of Replication

Jarzen Tadel - Echoes of Peace

Jarzen Tadel - Echoes of Chaos