by Dr. James J. Spillane, SJ. $11.00
by Ir. Endar Sugiarto $9.00
by Prof. Dr. Sondang P. Siagian, M.P.A $11.00
by Drs. H. Malayu S.P. Hasibuan $7.00
by Sadono Sukirno $12.00
by Prof. Drs. S. Pamudji, M.P.A $9.00
by WK $16.00
by Stallings $18.00
by Rabi'ah Bin Ka'ab $5.00
by Chia Haris $9.00