by Prof. Dr. Sondang P. Siagian, M.P.A $11.00
by Akhmad Zaini Abar $6.00
by Drs. H. Burhanuddin Salam, M.M $9.00
by Vincent Gaspersz $24.00
by Zahra $7.00
by Dra. Haula Rosdiana, M.Si $12.00
by Prof. J. Suprapto, M.A. APU $16.00
by Jatna Supriatna $40.00