by $7.00
by Drs. G. Kartasapoetra $7.00
by Drs. Burhanuddin Salam $9.00
by Drs. Robinson Tarigan $9.00
by Taufik Amir $11.00
by Agusnawar, Amd. Par. $6.00
by Dra. Ninik Widiyanti $9.00