by A. Reza Arasteh $6.00
by Drs. Akros Abidin, Mpd $7.00
by Dr. Mahsun, M.S $11.00
by Topo Santoso & Didik Supriyanto $7.00
by Drs. D. Ketut Sukardi $9.00
by William E. Heinecke $11.00
by Soekartawi, dkk $7.00
by Drs. Abdul Chaer $11.00
by Dr. Abd El-Affendi Wahab $6.00
by Abdul Wahab Khalaf $11.00
by Ir. H. Rahmat Rukmana $6.00