by Katzung $24.00
by Ir. H. Sudirman, Mpi & Prof. DR. Ir. Achmad Mellawa $9.00
by Peta Heskell $6.00
by WK $12.00
by Dr. Muh. Nasir, S.H., M.S $7.00
by Dr. Muchtaruddin Mansyur $5.00