by Hartono Budi, SJ. $6.00
by Drs. Agus M. Hardjana, M.Sc., Ed $6.00
by Bambang Agus Murtidjo $6.00
by $4.00
by Dr. H. Pidyarto Gunawan, O.Carm $4.00
by Prof. Dr. H. Zainuddin Ali, M.A $7.00