by DR. Soekidjo Notoatmodjo $7.00
by Kusno Budi Santoso dan S. Ary Soewendo $11.00
by Bambang Soepeno, M.Pd $9.00
by Drs. Sudarsono, S.H., M.Si, dkk $11.00
by Djumadi $7.00
by Abidin Kusno $7.00