by Bachtiar Ibrahim $12.00
by Prof. Dr. Soekidjo Notoatmodjo $13.00
by Dra. Zuhairini, dkk $9.00
by Tarwoto $9.00
by Iwan T. Budiarso DVM, M.Sc., Ph.D., APU $11.00
by Prof. dr. A.J. Hukom $5.00