by Dr. Ir. Wisnu Cahyadi, M.Si $6.00
by Imelda Akmal $33.00
by Lyle W. Morgan II, Ph.D., HMD $7.00
by P. A. Elliot $9.00
by Drs. H. Malayu S.P. Hasibuan $11.00
by Muhammad Nejatullah Siddiqi $7.00
by Jatna Supriatna, Edy Hendras W. $7.00