by - $6.00
by Drs. Amin W. Tunggal Ak., M.B.A $22.00
by Dra. Rostamailis $9.00
by Prof. Dr. Nur Nasry Noor, M.P.H $6.00
by Drs. Muchdarsyah Sinungan $7.00
by - $9.00
by Dr. Soemiarti Patmonodewo $7.00
by Thalib, Sajuti $6.00