by N. John Myer $12.00
by Drs. Domi C. Matutina $12.00
by E. Martasudjita, Pr. $3.00
by P. Paus Kila, SVD $6.00
by Dr. H. Abuddin Nata, MA $7.00
by Drs. Abdul Chaer $7.00
by Lembaga Kajian Hukum Bisnis FH USU Medan $6.00
by Leon Chitow, ND, DO $6.00
by Nursalam $12.00
by Brooks $20.00