by Sudirman, Drs. $8.00
by V $7.00
by Kathie De Nosky $7.00
by Tony Buzan $7.00
by Abdul Tawwab Yusuf $5.00
by Hilman Hariwijaya & Boim Lebon $6.00
by Yeremias Bala Pito Duan, MSF. $4.00
by Wahyuni Mulyawati & Ilse Harahap $7.00