by Ellen Sue Stern $9.00
by Dr. Emmanuel Subangun $4.00
by Agus S. Gunadi $9.00
by Ernst Lerch $11.00
by H.A. Aziz Salim Basyarahil $5.00
by Dr. Muhammad Abd. Haq Ansari $6.00
by Ir. Heinz Frick & Moediartianto $7.00
by Katzung $30.00