by Saniri Satu Rasa $9.00
by Asghar A. Engineer $6.00
by Eaton, Joseph W $6.00
by Prof. Dr. Sondang P. Siagian, M.P.A $11.00
by Vincent Gaspersz $24.00
by Michael J. Tang $13.00
by Darwan Prinst, S.H. $8.00
by Kansil C.S.T $9.00
by I Wayan Suandra, S.H $12.00
by Ir. Hieronymus Budi Santoso $6.00
by Fahrizal Nasution $6.00
by Winarno Msi $3.17