by Prof. DR. Koentjaraningrat $11.00
by Yusuf Siba'i $12.00
by M. Abdul Ghoffar, E.M $9.00
by Ansoriy Al Mansur $6.00
by Soekartawi $9.00
by Gunawan Widjaja & Kartini Mulyadi $7.00
by Greeg Brittenham $7.00