by Prof. Dr. Sondang P. Siagian, M.P.A $9.00
by Drs. B. Suryosubroto $9.00
by Maurice Duverger $7.00
by R. Zein, S.H., M.S $7.00
by Dr. G. Kartasapoetra dan H. Marsetyo $7.00
by Drs. H. Abu Ahmadi $11.00
by Shinta Yusidia Wisudanti $7.00
by Ridha Anwar $5.00
by Ratih Poeradisastra $18.00
by Faqihuddin Abdul Kadir $5.00
by DAN S. KENNEDY $17.00
by YUNDA $7.00