by Netty Hartati, dkk $7.00
by Ir. M. Lies Suprapti $6.00
by Drs. Agus M. Hardjana, M.Sc., Ed $5.00
by Dr. H. Pidyarto Gunawan, O.Carm $4.00
by $4.00
by Andi Mappiare $16.00
by Zainal A.Z., BAE $6.00
by Mira W. $7.00
by Sabrur R. Soenardi $6.00