by Jennifer Weiner $11.00
by RITA TRIANA BUDIARTI $17.00
by Richard Denny $9.00
by Ny. Susmayati, B.A dan Ny. Hj. Asnidar $6.00
by Drs. G. Kartasapoetra $9.00
by Ir. Hatta Sunanta, B.Sc., MS $7.00