by Thabrani $13.00
by WK $12.00
by Ali Imron, M.Pd $7.00
by Prof. Dr. Sondang P. Siagian, M.P.A $9.00
by Abdul Kadir $11.00
by $7.00
by Peter Chang $0.00
by Sukardja, Ahmad $6.00
by Dra. Kumara Poespo $12.00