by Dr. Helmi, Sp.THT $5.00
by Prof. dr. H. Nurbaiti Iskandar, Sp.THT $5.00
by Drs. R. Martino $6.00
by HAZELINE AYOEB, DKK $6.00
by Drs. Daryanto $11.00
by Ir. Ari Wijayani Purwanto $9.00