by Andrias Harefa $11.00
by Drs. Daryanto $7.00
by J. Robert Starratt $7.00
by Santoso, Loekito $6.00
by Mansur Samin $6.00
by Prof. Anas Sudijono $12.00
by Drs. Wasty Soemanto $9.00
by Supratikno Rahardjo $24.00
by WK $11.00