by Dra. Roestiyah NK $6.00
by Indra Ismawan $11.00
by Daniel Dhakidae $30.00
by George W. Barclay $7.00
by Drs. Syaiful Bahri Djamarah $7.00
by Dr. S. Prawirasusanto, M.Sc., dkk $9.00
by BS Anwir $12.00
by $5.00
by Nila Chandra $11.00
by APPMI $9.00
by Dr. P. Hardono Hadi $7.00
by Bungaran Antonius Simanjuntak $16.00