by Drs. Agus Sujanto, dkk $7.00
by Prof. Dr. Kees Bertens, MSC $7.00
by Dr. Nashir bin Sulaiman al-Umr $6.00
by Abdul Munir Mulkhan $7.00
by Ir. Ari Wijayani Purwanto $0.00
by H. Rahmat Rukmana $5.00
by E. Martasudjita, Pr. $4.00