by Yernelis Sukma, M.S., & Yakup $7.00
by Huala Adolf $9.00
by William E. Heinecke $11.00
by Hasbullah Thabrany (ed.) $11.00
by Drs. D. Ketut Sukardi $9.00
by Prof. Dr. Prayitno dan Drs. Erman Amti $13.00