by Prof. Dr. Soekidjo Notoatmodjo $11.00
by Rineka Cipta $7.00
by Ir. Sutaman $6.00
by Muhammad Noor $7.00
by Edilius, S.E dan Drs. Sudarsono, S.H., M.Si $9.00
by Ikhsan Rosyada Parluhutan Daulay, S.H $11.00