by James Champy $13.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00
by Edmund Schact, M.D. dan Drs. Djalinus Syah $9.00
by Drs. Ngadijo A.J $6.00
by Gustian Djuanda & Irwansyah Lubis $11.00
by $6.00