by R. Prie Prawirakusumah & Ramadhan KH $12.00
by Erich Hill $7.00
by Henry Simamora, S.E $18.00
by Drs. Muchdarsyah Sinungan $9.00
by Prof. J. Suprapto, M.A. APU $11.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by Drs. H. Najamuddin $6.00