by Gustian Djuanda & Irwansyah Lubis $11.00
by Marshall Sylver $13.00
by Y.B. Suharto $26.00
by Anthony P.W $6.00
by Lilly T. Erwin $9.00
by Abdul Tawwab Yusuf $5.00
by Prof. Dr. Sudarwan Danim $9.00
by Prof. Dr. Veithzal Rivai $12.00
by Marwan Ibrahim $6.00
by Ir. St. Eka Adiwibawa $9.00
by Dr. Khalid Abu Syadi $5.00
by Gunawan Wijaya dan Ahmad Yani $7.00