by Paul Hirst $9.00
by M. Ali Hasan $6.00
by Cernea. Michael M $9.00
by Miles Matthew B. dan A. Michael Huberman $9.00
by - $9.00
by $11.00
by A. Gomes, Kwanchai dan Arturo A. Gomes $12.00
by Dr. H. Abuddin Nata, MA $7.00
by Prof. Dr. Veithzal Rivai $12.00
by Majdi Fathi Sayyid $7.00
by Maria A. Sardjono $7.00