by Shaleh Ahmad Asy-Syaami $11.00
by Dr. Ibrahim Mulaakhathir $6.00
by H. Rahmat Rukmana & Indra Mukti Harahap $5.00
by Dr. Ir. Muhammad Rasyaf, MS $11.00
by Dr. C. Groenen, OFM. $7.00
by dr. Yoannes Y. Laban $5.00