by Ir. Suharto $7.00
by A.H. Manurung, S.E $6.00
by Soegijatna Tjakranegara, S.H $13.00
by Dr. Ir. Akhmad Fauzi, M.Sc. & Dr. Dra. Suzy Anna, M.Si $12.00
by Ollen Burger Terj. Budi Sucahyono $12.00
by Moh. Taufik Makarao, S.H., M.H $11.00