by Drs. M.E. Ayub $7.00
by Drs. Muhsin M.K. S.Ag, M.Sc $6.00
by Nurul F. Huda $6.00
by Adil Fathi Abdullah $6.00
by Emanuel Gerrit Singgih, Ph.D. $7.00
by Drs. Thohir Luth, M.A., dkk $6.00