by W. Montgomery Watt $11.00
by Fachruddin H.S $18.00
by Dr. Thariq M.As-Suwaidan dan Ir. Faisal Umar Basyarahil $11.00
by Prof. Abdur Rahman I Do'I, Ph.D $7.00
by Salim bin led $5.00
by Dr. Abdurrahman Umairah $9.00
by Dan Waters $7.00
by Edmund R. Burke $9.00
by Bambang Agus Murtidjo $6.00
by A. Lukasik, SCI. $4.00
by $6.00
by $7.00