by Prof. DR. M. Solly lubis, S.H. $6.00
by Gunawan Widjaja $9.00
by Prof. Mr. Roeslan Saleh $7.00
by Kansil C.S.T $7.00
by Suradji & Pularjono $9.00
by Wildan Suyuthi Mustafa $13.00
by SM Ardan $9.00