by Drs. Husein Umar, S.E., M.M., MBA $9.00
by Kartadjoemena, H.S $7.00
by Dr. Iwan Triyuwono $9.00
by Dr. Sayidd Al-Jumaili $7.00
by Drs. Ary H. Gunawan $7.00
by Kasmir, S.E., M.M $13.00
by Karl May $5.00
by Yuni Jie $31.00