by Abas as-Sisiy $6.00
by Ali Al-Jumlati, T. HM. Arifin $9.00
by Dr. K.H. Didin Hafidhuddin, M.Sc dan Hendri Tanjung, S.Si., M.M. $9.00
by Jose Luis Gonzales $4.00
by Drs. H. Ahmad Yani $12.00
by Angelo Devananda $6.00