by Cyrillus Harinowo $9.00
by Dr. H. Abuddin Nata, MA $7.00
by Kartini Kartono $7.00
by Sulaiman $9.00
by Rogel Tol $7.00
by Prof. Dr. Sondang P. Siagian, M.P.A $7.00
by $6.00
by Agus Pambagio $3.84