by Prof. Dr. dr. Sarwono Waspadji, Kartini Sukardji $6.00
by WK $12.00
by Prof. dr. H. Sidarta Ilyas, SpM $9.00
by dr. Titi Lestari Sugito, SpKK(K) $7.00
by Thomas Sri Widodo $9.00
by WK $13.00