by Ikatan Akuntan Indonesia $12.00
by J. Bulatau, SJ $5.00
by Drs. Arbi Sanit $7.00
by Drs. G. Kartasapoetra $9.00
by $12.00
by H. Sahilun A. Nashir $5.00
by Ahmad Ibrahim Abu $11.00
by WK $12.00
by Yusup Priyasudiraja $11.00