by Prof. dr. Sarwono Waspadji, Prof. dr. Slamet Suyono $9.00
by Muh. Majdi Marjan $7.00
by Sofjan Assauri $11.00
by WK $13.00
by Muhammad Al Fayyadi $9.00
by Herry Sofiandy Halim $10.00
by $6.00