by Tania Murai Li $11.00
by Agus S. Madjadikara $9.00
by Tedy Herlambang, dkk $9.00
by Prof. Dr. Sondang P. Siagian, M.P.A $11.00
by Titik Pudjiastuti $19.00
by Drs. Basir Barthos $9.00