by Drs. G. Kartasapoetra $7.00
by Prof. J. Suprapto, M.A. APU $11.00
by Walker, Edward L $6.00
by Tobi Moektijono $6.00
by H.R.A.C. Lawalata $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00