by Sudarwan Danim $7.00
by Prof. Dr. Sondang P. Siagian, M.P.A $11.00
by K. Usman $6.00
by Ir. Pracaya $6.00
by H. Rahmat Rukmana $6.00
by H. Rahmat Rukmana $5.00
by Huala Adolf $11.00
by A. Shallaby $9.00
by Reynold Nicholson $5.00
by Malvino $20.00
by WK $13.00
by - $13.00