by Drs. Syaiful Bahri Djamarah $11.00
by Soekartawi $5.00
by RW. Allard $11.00
by Dellmann, H. Dieter $9.00
by Drs. Syaiful Bahri Djamarah $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00
by M. Ghufron H. Kordi K $7.00