by Bertram $9.00
by K. Svalastoga $7.00
by Abdul Hamid Khusyuk, Terj. H. Sabil Huda $7.00
by Bachrawi Sanusi, S.E $7.00
by Drs. Rudy T. Erwin, S.H $6.00
by Drs. Marcel Go, M.S $7.00
by Maurice Duverger/Alfian $12.00