by Hines, William W.K. Dougles E. Montgomery $11.00
by Drs. Firman B. Aji dan Drs. Martin Sirait $9.00
by James Champy $13.00
by Robert T. Kiyosaki & Sharon L. Lechter $11.00
by Dr. Hermina Sutami $9.00
by Sisca Susanto $6.00
by Laurence D. Ackerman $9.00