by Andrew E. B. Tani $18.00
by Yusuf Kaloko $6.00
by Drs. Djalinus Syah, Dra. H.N. Murdiati Sulastomo, dan Dra. H. Azimar Enong $9.00
by Deanna Kizis $9.00
by Richard Carlson, Ph.D $11.00
by IBII $7.00