by S.M. Ardan $9.00
by G. Siregar, Laksmi $6.00
by WK $16.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $7.00
by Prof. Dr. Winardi $9.00
by $7.00
by Hari Poerwanto $11.00
by Prof. Dr. S. Nasution, M.A. $6.00
by Ichsan $0.00
by Ir. Hatta Sunanta, B.Sc., MS $6.00
by Drs. Ign. Masidjo $9.00
by $5.00