by Prof. J. Suprapto, M.A. APU $11.00
by Drs. G. Kartasapoetra $12.00
by $16.00
by Thayadi $0.00
by ISEI $12.00
by Prijono Tjiptoherijanto, S.E, M.A, Ph.D $11.00
by dr. Boyke Dian Nugraha $7.00