by Susmayati, B.A., dkk $11.00
by Drs. Djalinus Syah., dkk $11.00
by Bambang Agus Murtidjo $7.00
by Richard G. Lipsey., dkk $16.00
by Gentasri Anwar, S.H. $7.00
by H. Abu Daud Busroh $9.00