by John M. Ortiz, Ph.D. $9.00
by Ir. Hieronymus Budi Santoso $6.00
by Khalid bin Abdurrahman asy-Syayi $6.00
by Muhammad Noor $7.00
by Charles V. Gerkin $7.00
by Ahmad Abdul Hadi $5.00
by Drs. H. Abu Ahmadi $11.00
by Ganijanti $16.00
by Syaifuddin $12.00
by Bangun Triharyanto $7.00
by - $16.00
by - $11.00