by Ir. Suharto $11.00
by Bambang Poemomo, S.H $6.00
by Bachrawi Sanusi $7.00
by Drs. Yayan Sutrian $9.00
by Andrias Harefa $7.00
by Drs. Muchdarsyah Sinungan $7.00
by Drs. Slameto $7.00