by Katzung $30.00
by Dra. V. Nuraini Widjajanti, Apt $6.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $7.00
by Fajar Arifin Gunawan & Elna Kartawiguna $10.00
by Herry Sofiandy Halim $10.00
by Aziz Alimul $9.00