by Drs. Syaiful Bahri Djamarah $9.00
by Transparansi Pertanggungjawaban Publik $6.00
by Ny. Susmayati, B.A dan Ny. Hj. Asnidar $7.00
by Prof. Dr. S. Nasution, M.A. $6.00
by Radiks Purba $12.00
by Dr. Mahsun, M.S $11.00
by Shelly $26.00