by Tony Buzan $16.00
by A. M. Mangunhardjana, SJ. $3.00
by - $6.00
by Marsana Windhu $3.00
by $6.00
by Dr. Alo Liliweri $11.00
by Rosady Ruslan $12.00
by Drs. H. M. Yusran Asmuni $6.00
by I. Al-Abyadi, Terj. Halimuddin, S.H $7.00
by Stallings $18.00
by Pusham UBAYA $6.00