by $9.00
by Drs. Soemarso, S.R $7.00
by WK $12.00
by Thabrani $13.00
by Prof. Drs. H.A.W. Widjaja $6.00
by Drs. H. Zainuddin $9.00
by Thomas Subandriyo & Martha MS. $3.00
by J. Donald Walters $5.00