by H. Rahmat Rukmana $6.00
by Bryan Magee $0.00
by M. Ghufron H. Kordi K $7.00
by Djoehana Setyamidjaja, M.Ed $7.00
by Ir. Juhaeni Radi $5.00
by Ir. R. Bambang Soelarso $6.00
by Maria Monika Ratri dan Tim Penerbit OBOR $6.00
by Bangun Triharyanto $7.00
by Moh. Saleh, Drs. $9.00