by Lismidar, H. $5.00
by Aziz Alimul $7.00
by WK $11.00
by Ulrich $16.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00
by Dr. Tony Setiabudi, Ph.D., Dr. Hardywinoto, SKM $9.00