by Eko Purnomo $6.00
by Hermawan Kartajaya cs $12.00
by Ron Tepper $11.00
by Mastenbroek, W.F.G. $7.00
by Sagimun MD $6.00
by Pandji Anoraga, S.E., M.M dan H. Djoko Sudantoko, S.Sos., M.M $13.00