by Satya Joewana dkk $6.00
by Dr. Hj. Zaitunah Subhan $7.00
by Fredy Rangkuti $11.00
by Ir. Kaslan A. Tohir $12.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by M. Bahsan, S.H., S.E $7.00
by Mr. Drs. J.J.H. Brugingk; Alih Bahasa: Arief Sidharta, S.H. $6.00
by Dellmann, H. Dieter $9.00
by $9.00
by Aziz Alimul $7.00
by Drs. Muhsin M.K. S.Ag, M.Sc $7.00