by Drs. Hartono $7.00
by Jeff Zabin & Gresh Brebach $13.00
by Milton Chen, Ph.D. $6.00
by Drs. A.W. Widjaja $9.00
by Drs. Djalinus Syah, Dra. Azimar Enong, Azimaru Suzuki $7.00
by Oka A. Yoeti $6.00