by Arief $12.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $6.00
by Prof. Dr. dr. Daldiyono $16.00
by WK $12.00
by Sartono & Marina Lubniar Sartono $10.00
by Malvino $20.00
by Kasmir, S.E., M.M $9.00
by Brooks $20.00
by Khalid Muhammad Khalid $6.00
by Sa'id Musfar al-Qahtani $5.00
by - $12.00
by $6.00