by Prijono Tjiptoherijanto, S.E, M.A, Ph.D $7.00
by Imelda Akmal $32.00
by Drs. Muchdarsyah Sinungan $9.00
by Drs. Djalinus Syah dan Dra. Azimar Enong $9.00
by Drs. Sudarsono , S.H., M.Si $18.00
by $7.00
by WK $12.00