by Prof. Mr. Dr. Sudargo Gautama $6.00
by Drs. Muda Markus & Lalu Hendry Yujana $32.00
by V. Lestari $5.00
by Dr. Said Kelana & Dr. Chandra W $12.00
by - $11.00
by Drs. Heryando Palar, Drs. Asman Riald $12.00
by Prof. Dr. Alaidin Koto, M.A $7.00