by Yuni Jie $20.00
by Kenneth Baker $7.00
by Drs. R.H. Wiwoho, M.Sc $9.00
by Mia Yusmita Gofar $11.00
by Zhaenal Fanani $6.25
by Lilly T. Erwin $9.00
by Drs. O.P. Simorangkir., dkk $11.00
by Jacqueline Wilson $9.00
by Ahmad Tohari $6.00