by A.M. Mangunhardjana, SJ $6.00
by Ir. L. Widarto $5.00
by Drs. Zainuddin, dkk $7.00
by N. Wahyu Sulistiyana $4.00
by Agus S. Gunadi $9.00
by Prof. Abdur Rahman I Do'I, Ph.D $7.00