by $11.00
by Prof. Dr. dr. Daldiyono $16.00
by Dra. Sri Sundari HS., M.Pd $6.00
by Rachman Sani $7.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $9.00
by Sartono & Marina Lubniar Sartono $10.00