by P.L. Chan, MD & GA Taylor, MD $5.00
by Brooks $20.00
by Arief $12.00
by Brooks $18.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $5.00
by WK $12.00
by Agung Susanto, SH. $6.00
by Julius R. Latumaerissa, S.E., M.M $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by $5.00
by Aziz Alimul $9.00
by Sindhunata $11.00