by Prof. J. Suprapto, M.A. APU $9.00
by Alwi Shihab $12.00
by Anwar, Moh. Arsjad, dkk $6.00
by Masyhud Ali $28.00
by Sofyan Syafri Harahap $7.00
by Sumitro Djojohadikusumah $31.00