by WK $13.00
by Dr. dr. Siti Aisah Boediardja, dr. Titi Lestari Sugito $6.00
by Jan Takasihaeng $7.00
by Prof. dr. Arjatmo Tjokronegoro, dr. Sumedi Sudarsono $7.00
by Dripa Sjabana $7.00