by Alleen H. Lipis, dkk $9.00
by Prof. J. Suprapto, M.A. APU $11.00
by Thomas Cain $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Prijono Tjiptoherijanto, S.E, M.A, Ph.D $7.00
by Prof. Dr. Suharsimi Arikunto $6.00