by Ir. M. Lies Suprapti $6.00
by Drs. Muda Markus & Lalu Hendry Yujana $32.00
by Drs. Thomas Suyatno, dkk $11.00
by Richard G. Lipsey., dkk $16.00
by T. Sarpian $7.00
by H. Rahmat Rukmana $5.00
by Drs. Saliman, Drs. Sudarsono, S.H $9.00
by Bole Malo, Agustinus $5.00