by Maurice Duverger $7.00
by Drs. CST. Kansil, S.H $11.00
by DR. Bahder Johan Nasution, S.H., S.M., M.Hum $6.00
by J. Satrio, S.H. $6.00
by - $6.00
by M. Yahya Harahap, S. H. $20.00