by Ir. Daisy P. Sriyadi Hendaryono, M.Si & Ir. Ari Wijayani $6.00
by Bert van der Heijden, SCI. $4.00
by WK $12.00
by $4.00
by A.M. Mangunhardjana, SJ $6.00
by Turban, Rainer $26.00