by Tarwoto $9.00
by Leon Chitow, ND, DO $6.00
by Prof. Dr. Soekidjo Notoatmodjo $13.00
by S. Wibowo $13.00
by dr. Andri Hartono $6.00
by Prof. Dr. dr. Sarwono Waspadji, Kartini Sukardji $7.00