by Nazhat Afza dan Khurshid Ahmad $5.00
by Fredy Rangkuti $9.00
by Abdul Tawwab Yusuf $5.00
by Drs. Sisdjiatmo Kusumosuwidho, M.Sc $9.00
by Isjoni $7.00
by Sisca Susanto $6.00
by $6.00
by R. Soegeng $16.00
by MarkPlus & Co $18.00
by Sobron Aidit $6.00
by Nh. Dini $9.00
by Ir. M. Lies Suprapti $5.00