by Syamsir Abduh $9.00
by Katzung $26.00
by WK $11.00
by Sakti A. Siregar $6.00
by Katzung $30.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $6.00
by Dr. William Hendricks $6.00
by Drs. H.M. Yusran Asmuni $6.00