by $4.00
by A. Gianto, SJ. $6.00
by Ir. Hatta Sunanta, B.Sc., MS $6.00
by Ir. H. Rahmat Rukmana, MBA., MSc. $5.00
by $3.00
by Ir. H. Rahmat Rukmana $6.00
by Drs. Daryanto $7.00
by Drs. Abd. Aziz Ahmad, M.Pd $7.00
by Agus Sunaryo, SH., MBA $16.00
by $7.00
by - $5.00
by dr. Sylvia D. Elvira $5.00