by Sumadi Suryabrata $11.00
by DR. A. Saleh Abdullah $9.00
by A. Gaffar Karim $6.00
by $4.00
by Ir. Hatta Sunanta, B.Sc., MS $5.00
by Hairus Salim HS $7.00
by Tim Redaksi Tatanusa $35.00
by $9.00
by Aziz Alimul $9.00
by Muda Markus $20.00
by ASRORI S. KARNI $11.00