by $12.00
by Senjum H. Manulang, S.H $9.00
by Prof. Abdulkadir Muhammad, S.H. $8.00
by Prof. DR. M. Solly Lubis, SH. $5.00
by Prof. H. Hermien Hadiati Koeswadji, S.H. $7.00
by Gunawan Widjaja & Kartini Mulyadi $7.00