by $7.00
by WK $9.00
by WK $12.00
by Ir. G. Djatmiko Sudarmo & Ir. S. J. Edy Purnomo $11.00
by Drs. Daryanto $7.00
by Prof. Dr. Suharsimi Arikunto $11.00
by John L. Espositho $9.00
by S. Wibowo $13.00
by - $18.00
by Ir. M. Lies Suprapti $7.00
by A. Yogaswara $9.00