by Dr. Mulyono Abdurrahman $11.00
by Nicola A. Ziadeh $6.00
by $9.00
by Zairin Harahap $9.00
by Drs. Abdullah Ali, Drs. Misbandono, dan Ir. Eny Rahma $7.00
by Dra. Haula Rosdiana, M.Si $12.00