by Eva Waty Agung $12.00
by Yeni Ismayani $7.00
by Laris Naihabo $6.00
by $5.00
by Tony Buzan $11.00
by Esti Kinasih $7.00
by Prof. DR. Taliziduhu Ndraha $11.00
by Ir. Sarjoni Basri $7.00
by John M. Echols & Hasan Shadily $22.00
by Joseph J. Sullivan & Hadi Podo $13.00
by - $12.00
by R. M. Gatot P. Soemartono, S. E., S. H., M. M. $11.00