by Fredy Rangkuti $9.00
by Dr. Henry Cloud $11.00
by $16.00
by Alvin S. Johnson $11.00
by Asvi Warman Adam $4.80
by Prof. Dr. Husaini Usman, M.Pd., M.T $16.00
by Samsul Wahidin, S.H $7.00
by - $5.00
by Hani Hendayani dan Amatullah Shafiyyah $6.00
by Richard Denny $5.00
by S. Mara Gd $11.00
by R. Soegijatno Tjakranegara, S. H. $11.00