by WK $12.00
by S. Soegijanto $11.00
by Aziz Alimul $11.00
by Brooks $18.00
by Prof. dr. H. Sidarta Ilyas, SpM $9.00
by Dr. Herman Cipto, SpKK, dr. Srie Prihianti Ismiarto $5.00
by Depdagri $6.00