by Prof. Dr. Soekidjo Notoatmodjo $11.00
by dr. Tonny Loho, SpKK(K), DMM $6.00
by Prof. Drs. H. Soegyarto Mangkuatmodjo $9.00
by Nursalam $7.00
by Dr. Handrawan Nadesul $11.00
by F.X. Djumialdji, S.H $7.00