by Linus Mundy $3.00
by Al-Razi $5.00
by Donald A. Chu, Ph.D $6.00
by Dr. Suwarno Imam S $11.00
by Adnan Hasan Baharits $5.00
by Hairus Salim HS $7.00
by Drs. D. Ketut Sukardi $9.00