by $13.00
by H. Sudiarto & Zaeni Asyhadie $7.00
by K Giek $9.00
by Prof. Dr. Sondang P. Siagian, M.P.A $11.00
by Thomas Harris $6.00
by $6.00
by Prof. Dr. Barda Nawawi Arief, S.H. $6.00