by Lukman Syamsuddin $13.00
by Drs. Joko Tri Prasetyo, dkk $9.00
by Saul M. Katz $6.00
by Drs. Bayu Surianingrat $6.00
by Sei H. Dt. Tombak Alam $7.00
by Prof. Dr. Sondang P. Siagian, M.P.A $11.00