by Donald A. Chu, Ph.D $6.00
by Drs. Agus Sujanto, dkk $9.00
by Anthony F. Chiffolo $4.00
by R. Abdul Djamali $9.00
by M. Ismail Yusanto, M. Karebet Widjayakusuma $9.00
by Safwak Sa'dallah al-Mukhtar $6.00