by Ali Masjono Mukhtar, S.E., M.Bit $7.00
by Julius R. Latumaerissa, S.E., M.M $9.00
by Asma Nadia $10.00
by Niels Mulder $7.00
by Hoogendoom, J. $6.00
by Drs. G. Kartasapoetra $7.00