by Drs. Djalinus Syah., dkk $9.00
by Wiwoho Soedjono, S.H $7.00
by Drs. CST. Kansil, S.H $11.00
by Drs. Syaiful Bahri Djamarah $11.00
by $7.00
by Ir. Irianto Aritonang, dkk $6.00