by Lipschutz $12.00
by WK $12.00
by Thabrani $9.00
by WK $13.00
by Thabrani $12.00
by Iwan T. Budiarso DVM, M.Sc., Ph.D., APU $11.00
by Prof. Dr. S. Nasution, M.A. $6.00
by Prof. Dr. Syahrin Harahap MA (Ed) $6.00
by $11.00