by Dyah Hasto & Teguh Sri Pambudi $30.00
by Ir. Surya Suhatmansyah dan Drs. Djalinus Syah $11.00
by Drs. A. Hasymi Ali $11.00
by Arief, Sritua $7.00
by A. B. Setiaji $9.00
by M. Ghufron H. Kordi K $7.00
by James Redfield $9.00